2000
84.8
94.3
26.0
2001
85.6
96.7
23.3
2002
82.1
96.7
23.4
2003
91.5
95.9
31.4
2004
77.6
99.3
20.4
2005
82.4
95.9
21.7
2006
97.4
85.8
99.0
18.6
2007
90.8
85.6
97.8
22.0
2008
87.3
73.9
97.9
12.1
2009
90.7
73.5
96.6
15.0
2010
88.4
75.4
95.6
12.6
2011
92.1
81.8
97.2
12.0
2012
90.5
62.7
97.7
9.3
2013
85.0
61.3
98.1
9.3
2014
85.3
49.7
95.8
7.2