1984

4.8

1974

6.0

1975

6.8

2001

5.8

2017

4.0

1943

6.6

1979

5.6

2020

5.3

2008

4.8

2006

3.9

2003

5.8

2005

6.5

2009

6.7

2009

7.7

1997

6.2

2009

7.2

1980

9.0

1942

6.0

1978

5.8

2002

4.4