| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 324 | 9.488,62 | 29,29 | 6 |
| 2007 | 146 | 4.332,72 | 29,68 | 4 |
| 2008 | 231 | 5.495,19 | 23,79 | 3 |
| 2009 | 292 | 6.918,72 | 23,69 | 4 |
| 2010 | 407 | 7.926,52 | 19,48 | 5 |
| 2011 | 555 | 11.540,75 | 20,79 | 4 |
| 2012 | 533 | 11.615,16 | 21,79 | 5 |
| 2013 | 538 | 10.683,42 | 19,86 | 5 |
| 2014 | 535 | 13.379,70 | 25,01 | 5 |
| 2015 | 537 | 14.324,84 | 26,68 | 6 |
| 2016 | 537 | 15.335,09 | 28,56 | 6 |
| 2017 | 462 | 12.468,04 | 26,99 | 6 |
| 2018 | 406 | 10.550,75 | 25,99 | 5 |
| 2019 | 403 | 10.523,47 | 26,11 | 6 |
| 2020 | 478 | 15.025,09 | 31,43 | 8 |
| 2021 | 463 | 15.075,58 | 32,56 | 7 |
| 2022 | 369 | 10.282,41 | 27,87 | 4 |
| 2023 | 345 | 9.510,20 | 27,57 | 4 |
| 2024 | 323 | 8.752,92 | 27,10 | 8 |
| totale | 7.884 | 203.229,19 | 25,78 | 101 |