2000

7.1

1961

7.3

1963

7.0

1964

7.0

1964

7.0

1924

8.1

1940

4.4

1947

6.7

2002

6.1

1968

7.3

2005

6.9

1997

5.0

2007

4.6

2002

5.3

1935

6.2

1942

6.5

1936

6.2

1941

6.9

2018

6.2

1985

5.0