1991

5.3

2022

5.5

1969

6.6

2009

7.5

1966

6.1

2016

6.8

2003

6.2

1970

3.8

2001

7.4

1991

5.9

2007

6.4

2006

6.3

1995

6.5

2004

5.3

2003

6.6

1940

0.0

1980

4.8

1937

3.0

1991

4.6

2000

5.7