1969

5.5

1996

5.7

2021

6.0

1997

6.6

1979

6.4

1989

4.8

1999

7.5

2006

5.8

1980

5.0

2007

7.5

2009

0.0

1995

6.4

2014

5.2

2008

4.0

2002

9.0

2014

0.0

2007

6.5

2002

0.0

2017

7.8

2023

0.0