2002

6.8

1974

5.5

1981

0.0

1979

0.0

2002

0.0

1981

0.0

1985

3.0

1997

4.0

1996

9.3

1969

6.9

1995

7.6

1962

7.9

1979

6.4

1972

4.4

1978

0.0

2009

6.2

2010

4.2

2014

6.0

1990

2.0

1984

0.0