2008

8.0

2000

5.7

2001

4.4

1985

6.5

2008

6.5

2021

6.9

2006

7.0

2006

6.2

2016

5.9

1997

7.8

1982

7.2

2002

7.8

2014

6.1

1977

5.9

2010

6.0

1991

6.0

1968

6.3

1951

4.3

1962

6.8

2022

7.4