2021

6.8

2022

6.3

1942

5.8

1932

6.9

2006

6.3

1986

5.8

2007

8.6

2009

7.2

1989

7.5

1993

5.5

1976

7.0

1965

7.7

1966

7.6

1964

6.9

2020

6.0

1996

6.2

2001

7.2

1985

5.5

1924

7.8

1991

6.7