1953

8.2

1992

7.3

1993

5.9

1930

0.0

1960

0.0

1968

7.2

1958

7.0

1939

6.2

1974

5.2

1941

6.6

1974

6.6

1994

5.7

2001

7.6

1999

6.8

2018

6.8

1950

7.0

2009

5.4

1929

6.1

2009

6.6

2006

5.1