2009

5.1

1995

5.7

1981

0.0

1970

5.8

1990

4.0

1982

5.3

2001

8.0

1999

8.0

2006

8.0

1969

5.2

1970

0.0

1972

0.0

2013

5.1

2003

4.1

2007

3.0

2016

4.2

2012

5.6

1978

5.6

2003

6.7

1970

6.1

1998

2.0