1988

5.5

2009

7.8

1984

6.4

2015

6.5

1989

5.8

2018

6.3

2020

7.7

1985

6.9

1993

5.0

1990

4.4

1968

6.9

2022

6.8

2020

7.3

2016

9.7

1981

7.2

2022

7.7

1990

5.5

2006

7.5

2021

5.8

2004

6.1