2004

3.9

2023

0.0

1996

5.1

1997

6.2

2002

3.6

1969

5.1

1978

4.3

2004

4.2

1998

3.6

2016

4.6

1984

4.8

2014

6.4

2021

5.6

2010

1.0

1976

4.9

2009

3.0

2011

3.6

2019

4.5

2017

5.5

2013

5.0