2001

5.3

1999

6.2

1999

6.8

2000

7.2

2002

5.4

2002

6.6

2001

6.2

1999

6.8

2001

7.3

2000

6.7

2001

6.0

2002

6.8

2001

5.7

1999

6.0

2002

6.1

2002

4.3

2000

6.4

2003

4.2

2001

5.0

1999

6.9