1941

5.8

1962

5.3

2008

7.9

1956

7.9

1993

3.0

2014

6.0

1972

7.1

1982

7.2

1993

6.6

2006

6.7

2004

7.0

2007

6.0

2003

6.9

1953

8.0

2008

7.1

2007

5.7

2001

5.9

0.0

2015

3.0

2015

0.0