1993

5.9

1994

8.1

2001

0.0

2000

10.0

1990

0.0

1990

6.0

1994

7.8

1996

6.2

1985

6.5

1987

6.1

2006

6.4

2004

7.9

1981

7.4

1989

6.0

1997

6.5

2002

8.0

1989

5.5

2004

6.6

2016

5.0

1992

6.7

2001

8.1

1998

4.9

2007

5.5

1998

3.2

1998

5.3