1963

6.3

1924

7.7

1984

5.2

1993

7.1

1998

6.0

1998

7.9

2020

8.5

2019

6.8

2001

5.3

1992

7.3

1988

6.4

1982

6.9

1962

6.4

1953

5.9

1968

6.6

2011

5.5

2008

4.0

1965

7.7

1983

0.0

1978

0.0