1929

6.4

1964

7.2

2006

6.6

1984

0.0

2000

6.5

1972

6.9

1930

4.9

2003

6.0

1986

7.0

1993

6.4

1989

7.2

1926

4.3

1996

7.3

2021

6.7

2011

5.7

1990

7.3

1980

6.3

1950

7.7

1987

6.4

2008

7.0