2005

4.6

1989

3.5

2009

4.7

2003

6.3

1995

4.3

2023

4.0

2018

6.2

2015

5.6

1973

5.8

2006

6.3

2022

6.3

2012

3.1

2002

3.8

2000

6.1

2006

4.8

2023

4.7

1990

5.6

1987

4.6

2008

5.4

2009

4.8