2015

7.5

1972

3.0

2005

4.9

2008

6.0

1978

4.9

2016

4.5

2014

6.4

1984

4.8

2002

5.3

1983

5.1

2005

3.6

2007

6.6

1971

5.2

1982

5.7

1969

3.9

1974

2.8

2017

4.0

1988

6.4

1977

4.5

2015

5.4