| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 389 | 5.916,25 | 15,21 | 2 |
| 2007 | 314 | 5.362,40 | 17,08 | 1 |
| 2008 | 399 | 5.816,86 | 14,58 | 1 |
| 2009 | 328 | 5.179,51 | 15,79 | 2 |
| 2010 | 498 | 7.576,90 | 15,21 | 3 |
| 2011 | 436 | 5.610,86 | 12,87 | 2 |
| 2012 | 500 | 6.893,49 | 13,79 | 3 |
| 2013 | 483 | 6.301,99 | 13,05 | 3 |
| 2014 | 495 | 8.448,72 | 17,07 | 3 |
| 2015 | 509 | 8.505,58 | 16,71 | 3 |
| 2016 | 312 | 5.920,69 | 18,98 | 3 |
| 2017 | 279 | 4.947,19 | 17,73 | 3 |
| 2018 | 252 | 5.016,35 | 19,91 | 3 |
| 2019 | 221 | 4.675,22 | 21,15 | 3 |
| 2020 | 228 | 4.420,89 | 19,39 | 3 |
| 2021 | 154 | 3.741,18 | 24,29 | 3 |
| 2022 | 150 | 3.549,12 | 23,66 | 3 |
| 2023 | 262 | 7.364,71 | 28,11 | 4 |
| 2024 | 325 | 8.948,91 | 27,54 | 5 |
| totale | 6.534 | 114.196,82 | 17,48 | 53 |