1990
99.8
1991
99.9
1992
97.8
1993
97.8
1994
97.5
1995
100.0
100.0
100.0
1996
103.4
101.9
101.5
1997
102.5
104.8
97.8
1998
103.2
107.9
95.7
1999
102.5
111.0
92.3
2000
103.4
115.4
89.6
2001
105.7
117.7
89.8
2002
105.4
119.2
88.4
2003
107.8
120.9
89.2
2004
109.1
124.0
87.9
2005
109.4
126.7
86.3
2006
109.4
131.0
83.5
2007
108.4
135.2
80.2
2008
107.9
135.7
79.6
2009
102.0
129.6
78.7
2010
105.4
132.2
79.8
2011
101.7
134.4
75.7
2012
None
133.8
1000000
2013
None
133.8
1000000
2014
None
135.7
1000000
2015
None
138.3
1000000