2003

4.8

1995

2.0

2014

5.4

1994

0.0

2000

5.6

1994

7.0

1991

5.7

1994

6.2

2002

5.0

1999

5.5

1998

4.5

1993

4.7

1992

4.2

1994

6.1

1989

6.4

1995

5.0