2007

7.0

2008

5.6

2004

6.0

1997

6.1

1998

6.7

2002

7.1

2016

6.5

2021

6.6

2020

6.3

2007

6.3

2003

5.5

2007

6.5

1982

3.2

2003

5.4

2002

5.5

2008

6.6

2005

5.9

2020

7.2

2006

5.9

2004

6.2