Year
|
Cadmium (t)
|
Cadmium index
|
Lead (t)
|
Lead index
|
Mercury (t)
|
Mercury index
|
1990
|
260.6
|
100
|
24307.8
|
100
|
240.5
|
100
|
1991
|
242.8
|
93
|
18875.7
|
78
|
222.6
|
93
|
1992
|
231.8
|
89
|
15109.4
|
62
|
209.3
|
87
|
1993
|
220.5
|
85
|
13656.9
|
56
|
183.2
|
76
|
1994
|
209.5
|
80
|
12352.5
|
51
|
176.4
|
73
|
1995
|
207.2
|
79
|
11323.5
|
47
|
175.0
|
73
|
1996
|
206.0
|
79
|
9861.0
|
41
|
163.4
|
68
|
1997
|
199.3
|
76
|
8958.8
|
37
|
152.5
|
63
|
1998
|
160.7
|
62
|
8046.7
|
33
|
143.9
|
60
|
1999
|
161.3
|
62
|
6969.9
|
29
|
135.0
|
56
|
2000
|
138.8
|
53
|
4840.7
|
20
|
120.3
|
50
|
2001
|
134.1
|
51
|
4172.9
|
17
|
113.9
|
47
|
2002
|
127.0
|
49
|
3353.6
|
14
|
109.5
|
46
|
2003
|
121.3
|
47
|
3221.8
|
13
|
105.1
|
44
|
2004
|
119.6
|
46
|
3171.0
|
13
|
103.9
|
43
|
2005
|
118.7
|
46
|
3100.8
|
13
|
104.3
|
43
|
2006
|
119.2
|
46
|
3086.3
|
13
|
102.5
|
43
|
2007
|
107.4
|
41
|
3012.8
|
12
|
102.3
|
43
|
2008
|
108.4
|
42
|
2959.6
|
12
|
97.5
|
41
|
2009
|
97.8
|
38
|
2487.8
|
10
|
84.1
|
35
|
2010
|
101.2
|
39
|
2695.1
|
11
|
82.1
|
34
|
2011
|
92.8
|
36
|
2597.3
|
11
|
81.1
|
34
|