2015

3.0

2006

7.4

1968

7.6

2003

7.8

2013

6.7

1975

5.6

1988

7.1

2007

4.2

1969

3.5

1976

5.6

1964

4.4

1995

0.0

2002

4.0

2004

5.5

2009

7.5

1971

5.2

1969

4.5

1984

1.0

1968

3.5

2004

3.7