1993

5.1

1991

4.5

2002

5.0

1995

7.0

2000

7.5

1998

7.1

1992

0.0

2011

7.6

1992

6.7

1987

7.7

1992

5.9

1998

0.0

1996

5.4

2008

6.2

2001

8.2

1997

8.3

1999

6.7

2010

4.7

2000

6.0

2000

10.0

1995

7.8

1994

0.0

2001

5.9

1996

7.1

1997

6.7

1994

6.0