| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 310 | 7.635,50 | 24,63 | 1 |
| 2007 | 376 | 9.887,07 | 26,30 | 3 |
| 2008 | 427 | 12.121,69 | 28,39 | 3 |
| 2009 | 459 | 12.497,04 | 27,23 | 4 |
| 2010 | 426 | 11.416,26 | 26,80 | 4 |
| 2011 | 349 | 8.064,44 | 23,11 | 4 |
| 2012 | 414 | 11.160,64 | 26,96 | 4 |
| 2013 | 337 | 9.521,76 | 28,25 | 6 |
| 2014 | 281 | 9.880,46 | 35,16 | 5 |
| 2015 | 260 | 8.149,33 | 31,34 | 5 |
| 2016 | 308 | 11.204,12 | 36,38 | 6 |
| 2017 | 356 | 12.122,38 | 34,05 | 12 |
| 2018 | 402 | 13.815,29 | 34,37 | 15 |
| 2019 | 408 | 12.916,19 | 31,66 | 15 |
| 2020 | 335 | 10.549,73 | 31,49 | 14 |
| 2021 | 313 | 10.422,63 | 33,30 | 15 |
| 2022 | 404 | 13.234,77 | 32,76 | 12 |
| 2023 | 465 | 13.328,83 | 28,66 | 20 |
| 2024 | 392 | 12.632,59 | 32,23 | 20 |
| totale | 7.022 | 210.560,72 | 29,99 | 168 |