2004

7.4

1999

7.6

1976

7.4

1992

5.6

2010

5.4

2013

5.5

2001

3.0

2014

4.5

2016

6.7

2006

0.0

2025

9.3

1996

4.0

2007

7.0

2004

6.3

2015

8.5

2023

7.7

2007

7.5

1985

6.7

1945

7.2

1975

6.8