| Value | Category | Cases | |
|---|---|---|---|
| 1 | First version | 13064 |
14.6%
|
| 2 | Revision June 2011 | 3905 |
4.4%
|
| 3 | Revision October 2011 (IDEA) | 32106 |
35.8%
|
| 4 | Revision May 2012 (Big five) | 32182 |
35.9%
|
| 5 | Revision May 2012 + Sylatech MENA module | 8308 |
9.3%
|