2001

6.9

1986

7.1

1992

4.1

2005

4.6

1977

5.6

1982

6.0

1986

5.6

1981

7.4

2008

6.6

1999

4.8

1996

6.1

1974

5.7

1942

6.4

1975

6.3

2022

7.5

1979

4.7

2023

6.9

1976

5.9

1938

6.5

2022

7.0