2000

8.2

2017

6.4

1974

7.9

1988

7.5

1996

6.0

2002

6.9

2001

6.3

1955

7.0

2010

8.2

1954

6.8

2009

7.2

1967

7.6

2021

3.0

1985

5.3

1994

6.5

2003

7.2

1946

6.0

1973

7.4

2007

7.5

0.0