1972

3.0

2008

6.0

2005

4.9

2015

7.5

2023

0.0

2017

4.0

2017

4.6

2017

5.7

2014

6.4

2005

3.6

1984

4.8

2002

5.3

1999

6.0

2007

6.6

1983

5.1

1975

4.2

1977

5.1

2015

5.4

2022

5.8

2016

4.5