Year
 Island Taiwan
Ratio of areas depleted of natural resources Ratio of natural coastline Ratio of healthy forest Ratio of healthy arable land Fisheries yield per unit effort Ratio of ecologically sensitive areas Supply of water resources Ecological state
1988
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
1989
100.00
100.00
100.00
99.90
100.00
99.90
99.80
99.94
1990
100.00
100.00
99.89
98.64
97.84
99.77
99.65
99.40
1991
100.00
100.00
99.99
97.07
98.07
99.66
98.35
99.02
1992
100.00
100.00
100.01
94.70
99.39
106.83
98.30
99.89
1993
100.00
100.00
100.02
94.30
99.14
106.58
101.95
100.28
1994
100.00
100.00
107.90
93.68
98.09
106.41
99.51
100.80
1995
98.69
100.00
108.01
93.98
99.05
106.72
99.18
100.80
1996
98.41
100.00
107.40
93.64
100.94
106.51
98.28
100.74
1997
96.16
100.00
107.56
91.60
100.63
105.97
98.26
100.03
1998
96.72
98.91
107.94
90.16
99.87
106.63
97.75
99.71
1999
96.16
97.65
107.91
89.27
99.04
106.57
97.53
99.16
2000
95.78
97.00
107.85
88.35
97.02
112.34
97.39
99.39
2001
94.38
95.69
107.94
87.51
96.02
112.35
97.34
98.75
2002
94.09
93.74
107.96
87.08
97.85
112.30
97.34
98.62
2003
92.13
93.25
107.96
86.12
97.96
112.23
101.89　
98.79
2004
91.81
93.01　
108.12　
84.07
98.75　
112.19　
102.11　
98.58
2005
90.04　
86.82　
108.27　
83.52　
100.87　
113.11　
99.79
97.49