1998

6.6

2022

4.0

2003

7.1

2006

6.3

2006

7.2

2006

7.0

2014

5.7

2016

5.8

1984

8.1

2007

6.5

1996

6.9

2002

5.9

2021

6.9

1999

7.7

2006

6.0

2002

6.3

2007

6.0

1983

0.0

2004

7.5

2007

6.3