1978

5.0

1990

0.0

2006

4.5

1965

1.0

2007

6.8

2012

5.5

1979

3.0

2015

4.0

2013

7.4

1980

1.0

2013

8.0

1971

6.2

2007

5.2

1995

5.7

1985

6.1