| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 483 | 13.075,52 | 27,07 | 3 |
| 2007 | 180 | 8.004,22 | 44,47 | 2 |
| 2008 | 132 | 5.064,20 | 38,37 | 2 |
| 2009 | 257 | 8.061,54 | 31,37 | 4 |
| 2010 | 327 | 9.133,57 | 27,93 | 4 |
| 2011 | 63 | 2.426,18 | 38,51 | 1 |
| 2012 | 285 | 7.838,17 | 27,50 | 4 |
| 2013 | 338 | 8.606,05 | 25,46 | 4 |
| 2014 | 298 | 9.257,26 | 31,06 | 3 |
| 2015 | 310 | 9.302,18 | 30,01 | 3 |
| 2016 | 279 | 9.266,78 | 33,21 | 4 |
| 2017 | 298 | 8.957,44 | 30,06 | 4 |
| 2018 | 269 | 9.815,53 | 36,49 | 4 |
| 2019 | 277 | 8.777,27 | 31,69 | 5 |
| 2020 | 311 | 10.367,56 | 33,34 | 6 |
| 2021 | 280 | 9.459,96 | 33,79 | 6 |
| 2022 | 284 | 9.164,02 | 32,27 | 6 |
| 2023 | 325 | 11.406,47 | 35,10 | 7 |
| 2024 | 315 | 9.943,56 | 31,57 | 7 |
| totale | 5.311 | 167.927,48 | 31,62 | 79 |