2006 6.1

2006 4.6

2006 5.9

2006 6.5

2006 6.7

2007 5.1

2007 5.6

2007 6.3

2007 6.5

2007 5.1

2007 6.7

2007 6.5

2007 5.5

2007 6.2

2007 6.7

2007 4.8

2007 7.3

2007 6.8

2007 6.1

2007 7.3