| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 551 | 10.908,71 | 19,80 | 3 |
| 2007 | 215 | 6.136,47 | 28,54 | 4 |
| 2008 | 122 | 3.907,54 | 32,03 | 3 |
| 2009 | 229 | 5.178,63 | 22,61 | 4 |
| 2010 | 371 | 7.774,30 | 20,95 | 5 |
| 2011 | 204 | 4.192,60 | 20,55 | 3 |
| 2012 | 354 | 7.884,14 | 22,27 | 4 |
| 2013 | 398 | 7.289,14 | 18,31 | 5 |
| 2014 | 397 | 10.156,83 | 25,58 | 5 |
| 2015 | 432 | 10.235,64 | 23,69 | 5 |
| 2016 | 432 | 9.700,29 | 22,45 | 5 |
| 2017 | 433 | 10.541,23 | 24,34 | 5 |
| 2018 | 411 | 9.771,51 | 23,77 | 5 |
| 2019 | 411 | 9.744,90 | 23,71 | 5 |
| 2020 | 441 | 11.751,05 | 26,65 | 7 |
| 2021 | 430 | 10.462,53 | 24,33 | 8 |
| 2022 | 429 | 11.340,09 | 26,43 | 8 |
| 2023 | 408 | 9.963,97 | 24,42 | 8 |
| 2024 | 419 | 10.031,13 | 23,94 | 11 |
| totale | 7.087 | 166.970,70 | 23,56 | 103 |