1958

7.6

2006

7.1

2003

7.2

1997

6.5

2023

5.8

1984

6.5

1942

6.6

1955

7.8

2002

7.2

1979

6.9

1962

7.9

1987

7.6

1953

7.3

1973

7.4

2024

4.9

2005

7.5

2001

5.9

1977

6.3

2007

7.8

2007

6.3