年份

特征指标

NP (个)

LPI (%)

CONTAG (%)

AI (%)

SHDI

SHEI

1988

1145

94.01

92.24

99.53

0.29

0.14

1995

1423

92.14

90.23

99.42

0.37

0.18

2002

1464

91.50

89.62

99.44

0.40

0.19

2009

1434

90.80

89.08

99.43

0.42

0.20

2016

1664

88.81

87.04

99.33

0.50

0.24

2020

1757

85.33

84.05

99.22

0.61

0.30