2006

7.4

1981

8.1

2000

7.0

1983

6.8

2024

4.8

2003

6.9

2008

6.6

2002

5.9

2005

6.2

1995

7.3

2001

7.0

2004

6.5

2005

6.5

2007

6.7

1998

7.2

1938

3.8

2017

7.1

1985

5.4

2017

7.8

2021

5.6