Dropouts per edition
| Year | Participants | No. of dropouts | Stage of first dropout |
|---|---|---|---|
| 2021 | 1 | ||
| 2020 | 133 | 45 | 1 |
| 2019 | 105 | 31 | 1 |
| 2018 | 2 | 19 | 1 |
| 2017 | 102 | 26 | 1 |
| 2016 | 120 | 35 | 1 |
| 2015 | 73 | 3 | 1 |
| 2014 | 117 | 9 | 1 |
| 2013 | 93 | 16 | 1 |
| 2012 | 118 | 59 | 1 |
| 2011 | 122 | 38 | 1 |
| 2010 | 101 | ||
| 2009 | 58 | ||
| 2007 | 72 | 8 | 1 |
| 2006 | 53 | 18 | 1 |
| 2005 | 75 | 21 | 1 |