1965

8.0

1967

6.5

1966

6.3

2018

5.9

2023

6.2

1986

5.8

1972

7.1

2015

5.7

2017

5.0

1969

6.9

2020

5.6

1984

6.8

1982

6.4

2012

4.3

1982

6.2

2019

7.4

2015

4.8

1968

6.9

2021

6.3

2021

6.9