2014

6.9

1973

7.9

2009

6.3

1984

6.5

1982

7.5

2007

5.2

2004

6.2

2004

7.1

1980

7.7

1951

8.0

2017

0.0

1965

6.8

2003

6.6

1930

0.0

1984

7.4

2004

6.3

2022

0.0

2001

5.5

2001

6.0

2006

5.8