| Year | Number of individual customers | Number of CSSA recipients among individual customers | Percentage of CSSA recipients (%) |
| 2007 | 202 | 75 | 37 |
| 2008 | 257 | 80 | 31 |
| 2009 | 209 | 92 | 44 |
| 2010 | 290 | 124 | 43 |
| 2011 | 297 | 128 | 43 |
| 2012 | 275 | 75 | 27 |
| 2013 | 300 | 43 | 14 |
| 2014 | 384 | 80 | 21 |
| 2015 | 413 | 102 | 25 |
| 2016 | 394 | 124 | 31 |
| 2017 | 398 | 98 | 25 |