1975

8.4

1950

8.3

1996

7.3

1983

7.8

1990

6.5

2019

0.0

2000

7.1

2018

6.8

2022

8.0

2002

6.6

1964

0.0

2025

0.0

0.0

0.0

1992

7.1

2004

5.9

2017

6.7

2006

6.3

0.0

2020

0.0