2007

5.5

1983

6.0

2004

4.9

2009

5.6

1980

5.2

2019

6.9

2001

7.0

2021

5.6

1983

4.4

2007

3.9

2014

6.4

1983

5.2

2002

6.3

2006

5.9

2006

6.3

1998

6.3

1969

3.0

2018

0.0

1998

4.6

1999

4.8