2004

3.2

2005

6.1

2011

6.6

1985

7.0

1954

4.6

2017

6.8

1962

6.5

1950

6.6

1977

4.0

1914

7.2

1997

5.2

1951

6.0

1958

6.4

1941

5.8

1974

5.0

2007

5.0

2012

6.8

1963

3.6

1967

5.8

1965

5.0