1941

5.0

2013

1.9

1934

0.0

1966

7.2

2005

6.7

2003

6.3

2005

6.0

2000

6.7

1947

6.3

1996

7.0

1978

6.8

2002

6.1

2014

4.3

1991

5.5

1976

4.9

1987

8.0

1998

5.1

2010

6.3

1963

5.9

1986

6.7