2014

6.1

2002

5.2

2000

6.0

2014

7.4

2001

5.9

1983

7.0

1994

8.0

2002

4.9

2004

6.8

2008

6.1

2008

6.7

2000

5.5

1967

6.9

2007

6.9

2002

3.9

1994

4.0

1922

0.0

2001

6.5

1978

5.8

2022

0.0