1997

4.5

2005

6.9

1990

6.5

1996

6.1

2007

4.2

2017

5.9

1988

6.5

2019

9.0

1988

7.0

1995

5.9

1996

5.3

1984

6.5

2000

7.8

2023

6.7

1996

5.5

1999

4.7

2001

5.5

2023

7.0

2014

6.3

1994

0.0