2004

7.2

2005

6.1

2001

6.2

2011

3.0

2005

5.8

2014

5.4

1942

0.0

2006

6.8

2025

10.0

1972

6.0

1972

0.0

2005

5.8

2009

6.5

1992

5.6

1955

0.0

1968

5.0

2002

6.3

2016

5.9

1996

6.3

2001

7.1