2008

6.8

2003

7.2

1999

8.0

2007

6.5

1982

3.5

1985

5.0

2004

7.7

2018

7.9

2005

7.7

2007

7.5

1984

7.3

2000

7.6

1994

7.3

2006

6.8

1987

5.0

1992

5.2

2014

7.1

1999

0.0

2009

6.6

1969

4.8