1940

6.2

1940

5.7

1944

5.6

1942

5.8

1997

2.3

1997

5.6

2008

5.4

1989

5.3

1970

5.6

1992

4.5

2015

3.5

2005

6.0

1995

4.7

2002

4.9

2002

3.7

2001

4.3

1972

4.9

2021

7.4

2017

5.7

2005

5.2