1990
27.7
100
18.3
100
5.7
100
25.6
100
17.3
100
5.1
100
1991
25.3
91.2
17.8
97.5
5.4
95.2
23.3
91.1
16.9
97.4
4.8
94.9
1992
23.4
84.2
17.3
94.9
5.2
91.7
21.4
83.5
16.4
94.6
4.6
90.7
1993
22
79.4
16.7
91.7
5
88.2
20.2
78.8
15.7
90.8
4.4
86.6
1994
20.6
74.3
16.1
88
4.9
86.4
18.7
73.1
15.1
86.9
4.3
85.2
1995
18.7
67.5
15.8
86.5
4.8
84.2
16.7
65.5
14.7
85
4.2
83.1
1996
17.6
63.6
15.6
85.5
4.8
84.4
15.5
60.7
14.5
83.6
4.2
83
1997
16.6
59.8
15.1
82.8
4.8
84.2
14.5
56.6
14
80.8
4.2
82.9
1998
15.2
54.7
14.7
80.6
4.8
84.3
12.8
50.1
13.6
78.3
4.2
82.6
1999
13.5
48.6
14.3
78
4.8
84
11.2
43.8
13.1
75.6
4.2
82.2
2000
12.5
45.1
13.9
75.9
4.6
81.6
10.1
39.4
12.7
73.1
4.1
80
2001
11.8
42.4
13.5
73.9
4.5
79.9
9.6
37.6
12.3
71.2
4
78.7
2002
11.1
40.2
13.2
72.4
4.5
79.1
9.1
35.6
12.1
69.9
4
77.9
2003
10.8
38.8
13.2
72.2
4.5
79
8.8
34.4
12.1
69.5
3.9
77.4
2004
10.2
36.9
13
71.3
4.5
78.5
8.3
32.3
11.9
68.4
3.9
76.6
2005
10
36.2
12.8
70.2
4.4
78.2
7.8
30.7
30.7
11.6
67
67
3.9
75.9
75.9
2006
9.9
35.9
12.6
68.8
4.5
78.5
7.6
29.7
29.5
11.3
65.4
65.2
3.9
75.9
75.6
2007
10
36
12.3
67.4
4.4
78.1
7.2
28.3
28.3
11
63.2
63.3
3.9
75.8
75.3
2008
8.3
30.1
11.4
62.6
4.3
75.9
5.7
22.2
27
10.2
58.6
61.4
3.8
74
75
2009
7.6
27.6
10.5
57.7
4.3
75.5
4.9
19.1
25.8
9.3
53.6
59.5
3.7
73.4
74.7
2010
7.2
26.1
10.4
56.8
4.2
74.6
4.6
17.9
32.7
32.7
24.6
9.2
52.8
52.4
52.4
57.6
3.7
72.1
85.2
85.2
74.4
2011
7.3
26.5
10.2
56
4.3
75.2
4.6
17.9
32.7
23.4
8.8
51
52.4
55.7
3.7
72.3
85.2
74.1
2012
32.7
22.2
52.4
53.8
85.2
73.8
2013
32.7
21
52.4
52
85.2
73.5
2014
32.7
19.8
52.4
50.1
85.2
73.2
2015
32.7
18.6
52.4
48.2
85.2
72.9
2016
32.7
17.4
52.4
46.3
85.2
72.6
2017
32.7
16.2
52.4
44.4
85.2
72.3
2018
32.7
15
52.4
42.5
85.2
72
2019
32.7
13.8
52.4
40.6
85.2
71.7
2020
32.7
12.5
12.5
52.4
38.8
38.8
85.2
71.4
71.4