2004

7.3

1995

8.1

2017

8.3

2014

8.3

2012

7.7

1993

7.1

1999

7.3

2004

8.1

1992

6.8

1981

7.9

2007

7.9

2019

8.0

1986

8.5

1996

6.3

2010

6.7

2008

6.6

1993

7.4

1989

7.5

2011

8.3

2011

6.1