1991

4.3

1997

7.0

2023

6.7

1999

0.0

2016

5.3

2008

6.0

1983

6.3

2012

7.7

1988

5.2

1996

0.0

1978

4.6

1983

6.0

2010

7.4

1981

0.0

1994

7.1