2004
100
100
100
2005
94.4835119
100.4529997
86.52338486
2006
91.591964
98.66404911
77.74519967
2007
85.64415928
96.34668369
75.84575544
2008
60.30053084
79.91207911
54.69177644
2009
47.85691921
70.67919583
42.81776274
2010
42.57341079
67.25784179
40.82473439
2011
40.34991109
65.92482092
44.61583954
2012
36.1186215
66.28389593
34.25517803
2013
28.57320979
58.53491122
30.27331682
2014
25.96974987
52.86820282
26.46755531
2015
22.99048731
50.51304538
19.05844923