1941

5.2

1991

7.1

1959

5.7

2020

5.5

1968

0.0

1998

7.7

1975

8.0

2007

7.4

2005

5.6

1940

4.8

2013

5.5

1990

7.7

2000

7.1

2005

7.1

1997

8.2

1962

7.7

2015

6.7

2003

8.3

1977

7.8

1992

7.5