2002

8.4

2016

7.3

2006

7.7

2005

8.3

2014

8.3

2020

7.6

2003

7.2

1982

7.6

1999

8.2

2012

7.5

2010

7.7

2015

8.7

1994

6.8

1990

7.6

2022

6.7

2014

7.4

2019

6.7

2006

7.5

1972

4.2

2017

6.1