1961

6.0

1996

6.8

1972

6.9

2004

5.9

1943

7.5

2004

6.7

1947

0.0

2007

4.5

2007

5.1

2008

5.0

1984

5.7

2005

4.3

1976

5.6

1975

6.7

2019

5.4

2025

0.0

1959

5.0

1982

4.2

2010

1.9

2014

5.7