2014

7.6

1998

6.5

2007

0.0

1979

7.3

1974

4.4

2005

6.1

1976

6.8

2008

6.5

1974

0.0

2000

6.5

2005

4.4

2017

6.8

1969

6.2

2000

7.0

1990

6.9

1971

3.8

1963

7.4

1978

5.9

2010

6.0

1971

3.3