1996

5.7

2006

5.8

1969

5.5

1997

6.7

1989

5.7

2008

4.0

2014

5.2

2024

5.5

1980

5.0

1979

6.4

2007

7.7

1999

7.5

1995

6.4

2016

5.5

2002

0.0

2007

6.5

2017

7.8

2017

0.0

2020

4.7

2010

8.0