1995

6.2

2004

8.0

1972

7.7

2004

8.3

2012

6.7

2014

4.3

2010

7.3

1995

7.3

1986

8.4

2006

8.2

2003

7.2

2019

8.1

1993

7.3

2010

8.4

1994

6.9

2006

9.3

1967

7.2

2020

6.9

2021

7.9

2020

8.3