2004

5.6

2007

6.9

2003

6.2

2000

5.8

1992

5.0

2004

3.0

1995

6.5

2009

7.5

1996

7.7

1974

3.6

2007

7.0

2024

6.0

2004

3.8

1998

1.0

2016

6.8

2013

5.8

1984

4.9

2010

5.9

2016

4.3

2015

3.0