| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 522 | 9.678,49 | 18,54 | 2 |
| 2007 | 6 | 113,05 | 18,84 | 1 |
| 2008 | 10 | 265,35 | 26,54 | 1 |
| 2009 | 236 | 5.323,79 | 22,56 | 2 |
| 2010 | 231 | 3.898,09 | 16,87 | 3 |
| 2011 | 237 | 7.649,84 | 32,28 | 3 |
| 2012 | 454 | 10.858,82 | 23,92 | 4 |
| 2013 | 466 | 11.384,82 | 24,43 | 4 |
| 2014 | 491 | 14.130,42 | 28,78 | 4 |
| 2015 | 463 | 13.879,50 | 29,98 | 4 |
| 2016 | 308 | 7.727,19 | 25,09 | 3 |
| 2017 | 334 | 8.343,67 | 24,98 | 4 |
| 2018 | 298 | 7.389,07 | 24,80 | 4 |
| 2019 | 275 | 7.685,88 | 27,95 | 4 |
| 2020 | 290 | 9.160,44 | 31,59 | 4 |
| 2021 | 282 | 7.841,33 | 27,81 | 4 |
| 2022 | 301 | 8.187,68 | 27,20 | 4 |
| 2023 | 332 | 7.320,53 | 22,05 | 4 |
| 2024 | 327 | 7.417,09 | 22,68 | 4 |
| totale | 5.863 | 148.255,05 | 25,29 | 63 |