2014

4.5

2005

0.0

1973

4.7

1989

6.2

1974

6.7

2010

6.1

2017

1.0

2010

6.6

1959

6.7

1974

7.3

2006

5.5

1976

5.4

1997

4.6

2009

6.9

1962

5.3

1990

4.0

2007

4.5

2001

5.8

2002

5.3

1974

1.0