1994 77.5 /// /// /// 77.5 78.0

1995 73.5 /// /// /// 73.5 74.4

1996 77.1 /// /// /// 77.1 76.8

1997 84.1 /// /// /// 84.1 83.9

1998 85.9 /// /// /// 85.9 86.1

1999 80.3 /// /// /// 80.3 80.2

2000 80.1 /// /// /// 80.1 79.7

2001 74.0 /// /// /// 74.0 74.1

2002 66.2 /// /// /// 66.2 66.7

2003 76.9 /// /// /// 76.9 76.6

2004 85.1 /// /// /// 85.1 84.7

2005 92.3 /// /// /// 92.3 91.9

2006 100.0 /// /// /// 100.0 99.8

2007 107.6 /// /// /// 107.6 107.7

2008 112.9 /// /// /// 112.9 112.7

2009 113.0 /// /// /// 113.0 112.7

2010 124.0 /// /// /// 124.0 123.4

2011 132.1 /// /// /// 132.1 131.8

2012 130.6 /// /// /// 130.6 132.3