2001

0.0

2005

4.9

1996

5.6

1995

7.0

1994

5.2

2005

6.9

1985

5.0

1986

6.5

2015

6.7

1997

0.0

2010

3.5

1993

7.4

2021

6.8

2002

3.0

2007

6.5

2013

7.1

1995

7.5

1989

3.5