2007

5.2

2001

7.2

1990

6.3

1989

5.7

1998

6.4

1971

6.0

1962

3.0

2013

7.1

2004

7.2

1979

8.2

2004

5.9

2016

4.4

1980

7.3

1955

6.0

1977

7.4

2010

0.0

1993

6.5

2008

5.3

2003

7.0

2002

5.8