| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 285 | 5.809,35 | 20,38 | 2 |
| 2007 | 3 | 132,79 | 44,26 | 1 |
| 2008 | 13 | 349,52 | 26,89 | 3 |
| 2009 | 59 | 1.501,56 | 25,45 | 4 |
| 2010 | 227 | 4.732,89 | 20,85 | 7 |
| 2011 | 448 | 9.867,31 | 22,03 | 4 |
| 2012 | 482 | 11.900,42 | 24,69 | 7 |
| 2013 | 461 | 11.293,53 | 24,50 | 6 |
| 2014 | 465 | 14.119,01 | 30,36 | 8 |
| 2015 | 326 | 10.388,11 | 31,87 | 7 |
| 2016 | 401 | 12.736,91 | 31,76 | 8 |
| 2017 | 387 | 12.071,55 | 31,19 | 8 |
| 2018 | 272 | 7.985,90 | 29,36 | 7 |
| 2019 | 241 | 6.925,09 | 28,73 | 7 |
| 2020 | 176 | 5.394,55 | 30,65 | 7 |
| 2021 | 158 | 4.814,11 | 30,47 | 7 |
| 2022 | 150 | 4.595,23 | 30,63 | 8 |
| 2023 | 339 | 9.826,70 | 28,99 | 12 |
| 2024 | 434 | 12.164,28 | 28,03 | 15 |
| totale | 5.327 | 146.608,81 | 27,52 | 128 |