2011

3.1

2014

6.8

2002

4.7

1992

5.6

2009

6.5

2007

4.9

1955

0.0

2006

5.0

2006

5.0

1998

9.4

2001

8.5

2002

6.3

2016

5.9

1968

5.0

2014

3.0

2006

6.8

2025

10.0

1996

6.6

1979

7.1

1942

0.0