2003

6.2

1989

6.9

1970

7.1

1962

7.7

1985

7.0

2005

5.5

2003

6.3

1982

3.2

2006

4.9

2008

6.7

2008

7.5

2004

6.5

2002

7.8

2006

7.0

2022

5.8

2013

6.1

1998

6.5

1915

0.0

1933

5.0

1954

7.3