1969

6.8

1979

6.4

1977

1.0

1962

7.9

2002

6.8

1974

5.5

1995

7.6

1967

6.8

2002

0.0

2009

6.2

1996

9.3

1997

4.5

1985

2.0

1972

4.4

1981

5.8

2010

7.6

1973

8.5

2010

4.2

1983

4.3

1967

6.1