1992

0.0

1997

6.6

1994

4.3

1995

6.4

1990

6.3

2006

2.8

2004

7.9

2019

7.0

1993

7.6

2005

8.0

2014

7.8

2002

7.9

1999

5.8

2010

8.0

2012

7.1

1989

8.3

2011

8.2

1991

6.3

1997

5.3

1989

7.9

1995

6.4

1995

6.2

1994

7.2

1995

5.9