| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 704 | 18.147,27 | 25,78 | 5 |
| 2007 | 525 | 13.939,20 | 26,55 | 3 |
| 2008 | 549 | 15.901,68 | 28,96 | 2 |
| 2009 | 559 | 14.614,57 | 26,14 | 4 |
| 2010 | 436 | 10.463,60 | 24,00 | 3 |
| 2011 | 396 | 8.603,63 | 21,73 | 2 |
| 2012 | 454 | 10.466,38 | 23,05 | 4 |
| 2013 | 434 | 9.124,91 | 21,03 | 3 |
| 2014 | 515 | 13.473,51 | 26,16 | 5 |
| 2015 | 517 | 14.501,90 | 28,05 | 5 |
| 2016 | 491 | 14.997,57 | 30,54 | 5 |
| 2017 | 472 | 12.664,54 | 26,83 | 5 |
| 2018 | 576 | 16.458,25 | 28,57 | 5 |
| 2019 | 476 | 14.173,00 | 29,78 | 5 |
| 2020 | 454 | 14.710,46 | 32,40 | 5 |
| 2021 | 420 | 12.816,60 | 30,52 | 5 |
| 2022 | 392 | 10.851,68 | 27,68 | 5 |
| 2023 | 396 | 11.502,16 | 29,05 | 5 |
| 2024 | 371 | 10.092,01 | 27,20 | 7 |
| totale | 9.137 | 247.502,92 | 27,09 | 83 |