2000

7.7

1972

4.0

2008

7.6

2000

2.1

2020

10.0

2007

6.8

1999

7.6

1973

7.1

2004

8.0

2005

4.6

1987

7.6

2000

7.1

2006

7.0

2007

10.0

2001

7.6

2006

5.5

2003

7.2

2000

5.8

1991

6.6

1996

6.8