1973

4.7

2010

5.5

2016

4.4

2007

4.6

2022

4.1

2003

4.7

2021

6.8

2014

5.3

1969

4.0

1985

5.0

1997

5.8

1982

5.9

2002

0.0

2017

3.3

1972

3.0

2008

5.6

2010

4.6

1983

5.2

2009

6.6

1999

6.0