2005

8.7

1990

6.1

1977

6.8

1993

0.0

2011

5.8

2020

0.0

2008

4.6

2004

6.0

1989

9.3

2005

2.7

1985

7.0

1984

7.9

1984

7.3

1988

4.2

2003

6.2

1987

7.7

1989

8.0

2006

5.5

1995

8.0

2011

6.2

1991

5.4