2003

7.4

1988

6.6

2005

5.4

2014

6.7

2001

5.9

2019

6.0

2007

6.3

1963

8.3

2007

4.9

2007

5.6

2000

6.4

2008

7.3

2007

6.3

1984

7.2

1938

7.5

0.0

2007

6.1

2016

4.5

2006

4.3

2021

3.8