2003

7.7

2021

7.3

2002

7.2

2005

8.1

1997

6.3

2001

6.6

2005

8.3

2003

8.1

2004

7.5

2013

7.6

1998

7.2

2010

7.5

2004

8.3

2004

7.9

1983

8.0

1981

7.9

2019

8.0

2009

7.0

2015

7.7

2019

8.6