1975

6.1

2022

5.6

1950

7.1

1949

8.0

1995

6.7

1980

6.8

1947

7.1

1983

6.9

2005

6.3

1982

7.8

1965

7.6

1997

5.1

1948

7.6

1988

7.0

1971

7.7

1965

6.3

1934

6.4

2003

7.3

1952

6.3

2001

6.0