1996

7.5

2002

4.9

2000

7.7

2005

5.4

2001

7.2

2022

7.5

1994

7.8

1998

6.3

2005

8.1

2001

6.8

1995

7.3

1997

6.7

2007

8.1

2009

2.5

2017

0.0