1969

8.3

2012

6.0

2021

6.2

1970

6.3

1987

5.4

1963

5.9

1995

6.8

2012

6.0

2020

6.5

2020

7.3

1975

5.5

1989

5.1

2018

6.0

2017

6.8

1987

7.5

1995

6.6

2022

4.5

2015

5.9

2017

6.7