1996

6.4

1994

8.0

1997

7.2

1993

8.2

2004

7.9

1996

0.0

2011

7.4

1996

7.8

1994

7.7

1997

5.0

2019

7.0

1997

4.0

2003

7.5

1995

7.1

1998

6.8

2002

7.3