2000
56.4
83.7
78.9
43.6
16.3
21.1
2001
59.5
84.4
80.0
40.5
15.6
20.0
2002
61.5
84.8
80.6
38.5
15.2
19.4
2003
62.5
84.6
80.3
37.5
15.4
19.7
2004
64.2
84.7
80.7
35.8
15.3
19.3
2005
67.3
84.9
81.2
32.7
15.1
18.8
2006
69.4
84.2
80.9
30.6
15.8
19.1
2007
71.5
83.9
81.0
28.5
16.1
19.0
2008
73.2
83.6
81.1
26.8
16.4
18.9
2009
75.7
84.6
82.4
24.3
15.4
17.6
2010
75.3
83.9
81.7
24.7
16.1
18.3
2011
74.2
82.8
80.5
25.8
17.2
19.5
2012
76.2
82.4
80.6
23.8
17.6
19.4
2013
77.8
82.2
80.9
22.2
17.8
19.1
2014
78.2
81.9
80.8
21.8
18.1
19.2