1954

7.9

1990

8.5

2000

7.9

2022

8.0

2003

7.8

1972

7.1

1971

6.4

1997

7.5

1951

5.0

1977

7.0

1932

7.4

2000

6.9

1919

6.9

1946

7.6

1968

7.1

1995

7.3

1987

7.3

1989

7.0

1992

6.7

1998

6.6