Q4 2006
7% (191 votes)
Q1 2007
18% (531 votes)
Q2 2007
21% (615 votes)
Q3 2007
20% (587 votes)
Q4 2007
27% (787 votes)
Q1 2008
3% (88 votes)
Later
3% (79 votes)
Total votes: 2878