2021

6.8

2005

8.3

2023

7.5

1994

5.7

1950

6.8

2023

6.1

1985

6.5

1996

5.8

1976

6.6

1974

5.7

1965

7.1

1968

6.7

1993

6.3

1961

6.9

1994

6.8

1971

6.6

1923

6.3

2009

6.1

1931

7.0

2002

7.2