1940

6.2

1940

5.7

1944

5.6

1942

5.8

1973

6.7

1980

5.9

1974

6.2

2005

2.4

2005

3.7

2006

3.1

1992

4.5

2015

3.5

2021

7.3

2019

5.8

2002

4.9

2002

3.7

2001

4.3

1971

4.5

2014

5.7

1977

5.3