Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Division | League | Regular Season | Playoffs | Open Cup |
| --- | --- | --- | --- | --- | --- |
| 2006 | 4 | USL PDL | 4th, Heartland | Did not qualify | Did not qualify |
| 2007 | 4 | USL PDL | 2nd, Heartland | Conference Semifinals | Did not qualify |
| 2008 | 4 | USL PDL | 4th, Heartland | Did not qualify | 1st Round |
| 2009 | 4 | USL PDL | 4th, Heartland | Did not qualify | Did not qualify |
| 2010 | 4 | USL PDL | 5th, Heartland | Did not qualify | Did not qualify |
| 2011 | 4 | USL PDL | 5th, Heartland | Did not qualify | Did not qualify |
| 2012 | 4 | USL PDL | 7th, Heartland | Did not qualify | Did not qualify |
| 2013 | 4 | USL PDL | 5th, Heartland | Did not qualify | Did not qualify |
Question:
how many years did not qualify?
Answer:
7