| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 680 | 13.321,99 | 19,59 | 2 |
| 2007 | 30 | 663,35 | 22,11 | 2 |
| 2008 | 91 | 2.341,45 | 25,73 | 2 |
| 2009 | 308 | 7.860,11 | 25,52 | 3 |
| 2010 | 341 | 6.826,30 | 20,02 | 4 |
| 2011 | 156 | 5.319,05 | 34,10 | 4 |
| 2012 | 375 | 12.373,33 | 33,00 | 4 |
| 2013 | 407 | 10.518,53 | 25,84 | 4 |
| 2014 | 373 | 15.685,38 | 42,05 | 4 |
| 2015 | 400 | 14.084,14 | 35,21 | 5 |
| 2016 | 398 | 14.484,10 | 36,39 | 5 |
| 2017 | 377 | 14.272,52 | 37,86 | 5 |
| 2018 | 432 | 16.172,43 | 37,44 | 6 |
| 2019 | 431 | 16.655,15 | 38,64 | 6 |
| 2020 | 423 | 14.921,48 | 35,28 | 6 |
| 2021 | 384 | 11.928,73 | 31,06 | 6 |
| 2022 | 357 | 11.876,23 | 33,27 | 6 |
| 2023 | 356 | 11.186,31 | 31,42 | 6 |
| 2024 | 335 | 11.200,44 | 33,43 | 7 |
| totale | 6.654 | 211.691,02 | 31,81 | 87 |