| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 333 | 8.640,26 | 25,95 | 2 |
| 2007 | 113 | 3.013,99 | 26,67 | 1 |
| 2008 | 117 | 3.551,82 | 30,36 | 1 |
| 2009 | 189 | 5.955,52 | 31,51 | 5 |
| 2010 | 300 | 9.643,98 | 32,15 | 7 |
| 2011 | 250 | 7.461,63 | 29,85 | 2 |
| 2012 | 392 | 13.891,07 | 35,44 | 10 |
| 2013 | 473 | 14.527,38 | 30,71 | 9 |
| 2014 | 540 | 19.897,86 | 36,85 | 8 |
| 2015 | 562 | 20.502,64 | 36,48 | 10 |
| 2016 | 549 | 20.059,84 | 36,54 | 8 |
| 2017 | 528 | 20.787,48 | 39,37 | 8 |
| 2018 | 485 | 19.648,31 | 40,51 | 9 |
| 2019 | 437 | 18.293,97 | 41,86 | 8 |
| 2020 | 541 | 21.949,95 | 40,57 | 8 |
| 2021 | 497 | 19.862,69 | 39,97 | 6 |
| 2022 | 522 | 21.993,07 | 42,13 | 5 |
| 2023 | 519 | 22.478,23 | 43,31 | 6 |
| 2024 | 605 | 24.687,31 | 40,81 | 7 |
| totale | 7.952 | 296.847,00 | 37,33 | 120 |