1984

5.9

1976

4.8

1999

7.3

1990

8.0

1987

4.9

2003

4.9

2004

1.8

2013

3.2

1988

0.0

2007

5.0

1988

5.3

1986

6.4

1987

5.3

1997

3.5

1996

5.5

2002

4.8

1980

4.3

1982

6.4

2008

5.1

1966

7.7