2009

5.7

2004

7.1

1995

7.9

1985

5.2

1996

5.6

2004

5.3

1988

0.0

1971

7.2

1984

6.1

1985

7.0

2004

6.0

2002

2.5

2011

8.2

2003

4.8

1985

3.8

1985

7.2

1993

7.0