1997

7.4

1990

7.0

1999

8.5

1995

8.0

1940

7.9

1983

7.2

1986

7.9

1972

8.7

1974

8.6

2005

6.7

1961

7.3

1963

7.0

1964

7.0

1990

8.5

2024

6.7

1932

7.3

1951

7.7

1988

7.5

1968

8.1

1959

7.8