2003

8.3

2008

6.3

2004

5.8

2000

6.7

2000

5.8

1987

6.8

2008

6.6

2014

6.2

1989

5.0

1962

7.9

1995

7.3

2007

6.0

1946

6.3

1991

7.1

2022

9.0

1963

7.6

2017

5.7

1983

4.3

1954

7.1

1958

6.9