1996

10.0

1992

1.0

1998

6.6

1988

5.0

1992

0.0

1997

5.8

1993

5.2

1989

6.0

1991

5.6

1995

5.6

2000

6.5

2001

0.0

1973

7.3

2000

0.0

1995

5.0

2016

6.3

2002

5.6

1990

0.0

2013

6.3