1990
100.0
100
100
1991
101.1
98.2
97.1
1992
102.1
94.6
92.6
1993
102.1
92.8
90.9
1994
105.1
92.4
87.9
1995
108.1
93.3
86.4
1996
110.2
95.3
86.4
1997
113.5
93.5
82.4
1998
116.9
92.8
79.4
1999
120.3
90.9
75.6
2000
125.0
91.1
72.8
2001
127.6
91.9
72.0
2002
129.2
91.2
70.6
2003
131.2
92.8
70.7
2004
134.6
92.8
68.9
2005
137.5
92.1
67.0
2006
142.2
92.1
64.8
2007
146.7
91.1
62.1
2008
147.2
89.2
60.6
2009
140.5
82.7
58.8
2010
143.4
84.7
59.0
2011
145.8
82.0
56.2
2012
145.2
81.0
55.7