_id	year	county_id	county_name	ownership_type	total	percent
1	2016	42017	Bucks	Total Protected Open Space	77.7	0.196
2	2016	42017	Bucks	Publicly Protected Open Space	35.6	0.09
3	2016	42017	Bucks	Privately Protected Open Space	42.1	0.106
4	2011	42017	Bucks	Total Protected Open Space	73.4	0.185
5	2011	42017	Bucks	Publicly Protected Open Space	45.1	0.113
6	2011	42017	Bucks	Privately Protected Open Space	28.3	0.071
7	2007	42017	Bucks	Total Protected Open Space	50.7	0.128
8	2007	42017	Bucks	Publicly Protected Open Space	32.8	0.082
9	2007	42017	Bucks	Privately Protected Open Space	18.0	0.045
10	2004	42017	Bucks	Total Protected Open Space	43.2	0.109
11	2004	42017	Bucks	Publicly Protected Open Space	31.1	0.078
12	2004	42017	Bucks	Privately Protected Open Space	12.0	0.03
13	2016	42029	Chester	Total Protected Open Space	126.2	0.26
14	2016	42029	Chester	Publicly Protected Open Space	27.6	0.057
15	2016	42029	Chester	Privately Protected Open Space	98.6	0.203
16	2011	42029	Chester	Total Protected Open Space	106.7	0.22
17	2011	42029	Chester	Publicly Protected Open Space	26.3	0.054
18	2011	42029	Chester	Privately Protected Open Space	80.4	0.166
19	2007	42029	Chester	Total Protected Open Space	92.5	0.191
20	2007	42029	Chester	Publicly Protected Open Space	23.1	0.048
21	2007	42029	Chester	Privately Protected Open Space	69.4	0.143
22	2004	42029	Chester	Total Protected Open Space	73.1	0.151
23	2004	42029	Chester	Publicly Protected Open Space	21.8	0.045
24	2004	42029	Chester	Privately Protected Open Space	51.3	0.106
25	2016	42045	Delaware	Total Protected Open Space	11.8	0.096
26	2016	42045	Delaware	Publicly Protected Open Space	9.4	0.077
27	2016	42045	Delaware	Privately Protected Open Space	2.3	0.019
28	2011	42045	Delaware	Total Protected Open Space	12.9	0.106
29	2011	42045	Delaware	Publicly Protected Open Space	9.6	0.078
30	2011	42045	Delaware	Privately Protected Open Space	3.3	0.027
31	2007	42045	Delaware	Total Protected Open Space	12.6	0.103
32	2007	42045	Delaware	Publicly Protected Open Space	9.5	0.078
33	2007	42045	Delaware	Privately Protected Open Space	3.1	0.026
34	2004	42045	Delaware	Total Protected Open Space	11.9	0.098
35	2004	42045	Delaware	Publicly Protected Open Space	9.4	0.077
36	2004	42045	Delaware	Privately Protected Open Space	2.5	0.02
37	2016	34015	Gloucester	Total Protected Open Space	36.6	0.17
38	2016	34015	Gloucester	Publicly Protected Open Space	17.4	0.081
39	2016	34015	Gloucester	Privately Protected Open Space	19.2	0.089
40	2011	34015	Gloucester	Total Protected Open Space	33.5	0.156
41	2011	34015	Gloucester	Publicly Protected Open Space	17.3	0.08
42	2011	34015	Gloucester	Privately Protected Open Space	16.2	0.075
43	2007	34015	Gloucester	Total Protected Open Space	22.2	0.103
44	2007	34015	Gloucester	Publicly Protected Open Space	11.7	0.054
45	2007	34015	Gloucester	Privately Protected Open Space	10.5	0.049
46	2004	34015	Gloucester	Total Protected Open Space	20.0	0.093
47	2004	34015	Gloucester	Publicly Protected Open Space	10.8	0.05
48	2004	34015	Gloucester	Privately Protected Open Space	9.2	0.043
49	2016	34021	Mercer	Total Protected Open Space	34.8	0.238
50	2016	34021	Mercer	Publicly Protected Open Space	22.1	0.151
51	2016	34021	Mercer	Privately Protected Open Space	12.7	0.087
52	2011	34021	Mercer	Total Protected Open Space	34.1	0.233
53	2011	34021	Mercer	Publicly Protected Open Space	22.8	0.155
54	2011	34021	Mercer	Privately Protected Open Space	11.4	0.078
55	2007	34021	Mercer	Total Protected Open Space	29.3	0.2
56	2007	34021	Mercer	Publicly Protected Open Space	21.7	0.148
57	2007	34021	Mercer	Privately Protected Open Space	7.6	0.052
58	2004	34021	Mercer	Total Protected Open Space	27.3	0.187
59	2004	34021	Mercer	Publicly Protected Open Space	20.6	0.141
60	2004	34021	Mercer	Privately Protected Open Space	6.7	0.046
61	2016	42091	Montgomery	Total Protected Open Space	39.2	0.126
62	2016	42091	Montgomery	Publicly Protected Open Space	24.7	0.079
63	2016	42091	Montgomery	Privately Protected Open Space	14.6	0.047
64	2011	42091	Montgomery	Total Protected Open Space	37.6	0.121
65	2011	42091	Montgomery	Publicly Protected Open Space	24.0	0.077
66	2011	42091	Montgomery	Privately Protected Open Space	13.7	0.044
67	2007	42091	Montgomery	Total Protected Open Space	30.3	0.097
68	2007	42091	Montgomery	Publicly Protected Open Space	19.8	0.064
69	2007	42091	Montgomery	Privately Protected Open Space	10.5	0.034
70	2004	42091	Montgomery	Total Protected Open Space	32.2	0.103
71	2004	42091	Montgomery	Publicly Protected Open Space	22.3	0.072
72	2004	42091	Montgomery	Privately Protected Open Space	9.9	0.032
73	2016	42101	Philadelphia	Total Protected Open Space	12.4	0.137
74	2016	42101	Philadelphia	Publicly Protected Open Space	11.9	0.131
75	2016	42101	Philadelphia	Privately Protected Open Space	0.5	0.006
76	2011	42101	Philadelphia	Total Protected Open Space	11.0	0.121
77	2011	42101	Philadelphia	Publicly Protected Open Space	10.5	0.115
78	2011	42101	Philadelphia	Privately Protected Open Space	0.5	0.006
79	2007	42101	Philadelphia	Total Protected Open Space	11.0	0.121
80	2007	42101	Philadelphia	Publicly Protected Open Space	10.4	0.115
81	2007	42101	Philadelphia	Privately Protected Open Space	0.6	0.006
82	2004	42101	Philadelphia	Total Protected Open Space	10.9	0.119
83	2004	42101	Philadelphia	Publicly Protected Open Space	10.3	0.113
84	2004	42101	Philadelphia	Privately Protected Open Space	0.5	0.006
85	2016	34007	Camden	Total Protected Open Space	30.5	0.209
86	2016	34007	Camden	Publicly Protected Open Space	28.6	0.196
87	2016	34007	Camden	Privately Protected Open Space	1.9	0.013
88	2011	34007	Camden	Total Protected Open Space	29.7	0.204
89	2011	34007	Camden	Publicly Protected Open Space	27.4	0.188
90	2011	34007	Camden	Privately Protected Open Space	2.3	0.016
91	2007	34007	Camden	Total Protected Open Space	28.1	0.193
92	2007	34007	Camden	Publicly Protected Open Space	26.8	0.184
93	2007	34007	Camden	Privately Protected Open Space	1.3	0.009
94	2004	34007	Camden	Total Protected Open Space	26.1	0.179
95	2004	34007	Camden	Publicly Protected Open Space	26.0	0.178
96	2004	34007	Camden	Privately Protected Open Space	0.1	0.001
97	2016	34005	Burlington	Total Protected Open Space	222.8	0.425
98	2016	34005	Burlington	Publicly Protected Open Space	176.2	0.336
99	2016	34005	Burlington	Privately Protected Open Space	46.5	0.089
100	2011	34005	Burlington	Total Protected Open Space	211.6	0.403
101	2011	34005	Burlington	Publicly Protected Open Space	173.8	0.331
102	2011	34005	Burlington	Privately Protected Open Space	37.8	0.072
103	2007	34005	Burlington	Total Protected Open Space	200.0	0.381
104	2007	34005	Burlington	Publicly Protected Open Space	172.5	0.329
105	2007	34005	Burlington	Privately Protected Open Space	27.6	0.053
106	2004	34005	Burlington	Total Protected Open Space	177.2	0.338
107	2004	34005	Burlington	Publicly Protected Open Space	156.1	0.298
108	2004	34005	Burlington	Privately Protected Open Space	21.1	0.04