1998

3.6

1982

4.8

2008

3.4

1988

5.0

1985

4.6

2019

6.3

2021

1.0

2020

6.1

2008

4.5

1989

6.0

1987

6.0

2019

6.1

2023

0.0

2017

4.9

2021

3.0

1951

6.8

2004

3.8

1973

5.5

1995

3.0

2018

6.1