1997

6.0

1998

5.4

0.0

2000

4.8

2020

0.0

1993

6.6

1984

5.9

2006

5.7

1988

6.7

2022

6.0

2006

4.9

2007

6.3

1989

5.3

2001

5.1

1991

5.3

1995

5.4

2007

4.6

2001

4.4

2014

5.6

1989

5.6