1993

4.3

2020

6.8

2006

5.4

1980

7.7

2019

0.0

1974

7.3

1998

0.0

2003

6.0

2008

5.7

1993

4.2

1993

5.1

1988

5.0

1975

7.3

1993

5.6

1971

3.7

1973

3.5