2006

6.5

2015

7.5

2005

4.9

2023

0.0

1972

3.0

1984

4.8

2002

5.3

1997

6.2

2003

6.6

2017

5.7

1973

4.8

1977

5.1

1977

5.6

1995

3.3

1977

4.5

2022

5.8

2014

6.4

1983

5.1

1999

6.0

2007

6.6