1991

6.2

1990

6.7

1993

5.5

1999

7.1

0.0

2007

10.0

2007

6.2

1980

5.0

1984

7.5

1985

9.5

1935

6.6

1976

5.6

1953

7.4

2023

6.9

2025

0.0

1971

6.0

1951

7.2

1947

6.3

1941

6.9

1989

6.4