2009

6.2

2012

7.8

1990

6.1

1998

7.7

1982

7.1

1983

5.8

2019

8.1

2019

6.8

1988

7.9

1995

5.4

2018

6.7

2003

7.3

2022

5.5

2019

7.9

2018

7.9

2004

6.1

2020

5.2

1985

6.2

2021

7.1

2013

6.1