2001

7.8

2004

7.3

2006

7.8

1982

5.5

1963

0.0

2005

7.1

1990

7.7

1984

7.0

1976

7.0

2007

6.8

1932

6.0

1988

8.0

1997

6.1

1984

5.9

2017

6.6

1991

6.8

2016

3.5

1992

5.7

1987

0.0

2008

6.3