2014

3.0

1996

0.0

2004

7.2

2006

7.0

2004

4.6

2003

5.9

2005

5.8

1992

5.0

2005

4.2

1995

4.5

1969

3.9

1997

7.1

1981

5.4

2002

5.7

1976

5.8

1994

5.1

1975

4.4

2001

5.8

2008

5.7

1984

3.5