2001

4.2

1996

1.0

1994

8.0

1998

7.2

1990

7.4

1997

9.7

1994

7.2

2001

7.2

2000

7.6

1991

5.6

2006

8.2

1990

7.0

1994

7.8

1998

6.5

1982

5.8

1999

7.5

2005

0.0

1999

7.3

2016

7.3

1992

5.9

1998

4.9

1995

7.8

1999

6.5

1994

3.4

1990

7.4

1998

7.1

1995

5.7

1988

8.3

1997

3.5

1994

7.2

1998

5.2

1995

6.7