2000

7.3

1976

7.4

2006

5.7

1994

7.0

2003

7.5

2009

6.1

2008

8.5

2007

5.6

1989

7.2

2005

7.7

2004

4.6

2008

5.5

1995

5.4

2003

7.1

2022

6.7

1979

5.2

2020

6.1

1966

6.4

1998

4.4

2000

5.5