1990

0.0

2000

0.0

1997

8.1

2007

1.5

1996

5.3

1998

8.2

1994

7.8

2002

7.6

2012

5.7

2003

5.0

2006

2.5

1995

7.0

2021

4.5

1999

7.4

2021

4.8

2013

7.6

2005

3.6

1998

8.0

1995

6.5

2009

5.2

2003

2.0

2004

7.0

1993

7.0