1996

7.5

2017

7.1

1994

7.2

2005

7.0

1990

5.9

2014

5.4

2009

5.6

2003

7.2

2009

7.7

1993

6.0

1995

8.4

2009

9.0

2007

6.8

2009

6.4

2004

6.2

2001

5.5

2008

6.3

2003

5.3

2022

7.0

2004

4.0