1980

4.8

1955

2.4

1896

7.1

2003

5.2

1981

6.4

1933

6.6

1959

5.4

2004

5.8

2005

5.2

1970

7.0

2014

6.0

1916

6.6

1916

6.2

1980

6.3

1969

6.4

1948

6.8

1947

6.9

1947

6.9

1946

7.4

1942

6.8