1956

0.0

1957

8.2

1966

8.0

1986

5.0

2018

5.8

2007

6.3

1985

2.7

1948

5.0

2020

6.3

2006

6.7

2006

5.8

2001

7.0

2010

6.4

1967

7.7

1968

6.9

1978

6.5

2001

3.6

2014

5.2

1964

6.6

1953

6.0