1983

7.3

1996

3.3

2024

8.0

1994

6.2

2016

7.3

2024

4.7

2020

5.6

2004

7.0

2003

5.0

2006

5.8

1999

8.2

2003

7.1

2003

6.7

2000

6.3

1997

6.5

2001

6.8

1999

6.8

1992

5.6

2007

6.9

2003

1.6