1929

6.5

1932

7.4

2002

7.1

1948

7.9

1992

7.3

2001

6.7

2003

8.1

1929

7.5

1961

7.2

1955

6.5

1989

6.2

2001

4.9

1984

6.8

1954

7.1

2005

2.0

1987

5.6

1955

6.4

1985

6.7

2021

7.0

1947

6.5