2009

5.4

2007

7.6

2006

5.0

2021

7.8

2021

6.4

2015

6.8

2008

4.5

2017

5.7

2000

5.0

2005

5.5

2023

6.3

1965

6.5

2014

7.2

1988

5.2

2006

6.7

1941

7.3

1985

6.6

1959

7.0

1998

6.8

1991

6.8