1976

3.3

1986

4.5

1968

1.0

1993

5.5

1992

0.0

2016

6.6

1993

0.0

1973

5.3

1982

4.8

2009

2.8

1988

1.0

1968

1.0

1967

1.0

2007

5.0

2006

5.2

1984

2.5

1972

2.5

1993

3.7

2002

5.0

2003

1.5