1985

6.9

2023

9.3

2020

6.4

2023

7.4

2015

6.5

1966

6.2

2003

7.2

2018

6.5

2013

7.6

1969

4.7

2020

6.5

1985

6.1

1992

6.5

1972

6.3

2021

6.0

2016

6.8

2015

7.1

6.5

2016

6.8

2023

6.4