1983

5.7

2006

6.1

2005

8.8

2000

6.2

2005

7.3

2002

8.2

1987

6.4

1999

7.7

1996

9.2

1998

5.9

1984

7.3

0.0

2004

10.0

2006

7.8

1992

8.2

1994

8.4

2013

7.5

2020

7.9

2020

0.0

2001

7.6