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 |
| --- | --- | --- | --- | --- | --- |
| 2008 | 4 | NPSL | 2nd, Mid Atlantic | Did not qualify | Did not qualify |
| 2009 | 4 | NPSL | 5th, Atlantic | Did not qualify | Did not enter |
| 2010 | 4 | NPSL | 5th, Atlantic | Did not qualify | Did not enter |
| 2010–11 | 5 | CSL I | In progress | N/A | N/A |
| 2011 | 4 | NPSL | 4th, Atlantic | Did not qualify | Did not enter |
| 2012 | 4 | NPSL | 3rd, Atlantic | Did not qualify | Did not enter |
| 2013 | 4 | NPSL | 3rd, Atlantic | Did not qualify | Did not enter |
Question:
how many years did they not qualify for the playoffs?
Answer:
6