2004

6.6

1980

5.3

2008

0.0

2002

7.2

2003

7.1

2015

7.5

1969

0.0

1975

5.8

2007

7.3

2003

6.7

1978

4.3

1982

0.0

1981

5.5

1973

6.5

1972

5.0

2017

6.0

2000

7.4

2006

5.2

1985

7.5

2008

6.5