| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 355 | 7.308,88 | 20,59 | 2 |
| 2007 | 173 | 3.499,74 | 20,23 | 1 |
| 2008 | 141 | 2.740,11 | 19,43 | 1 |
| 2009 | 255 | 4.682,74 | 18,36 | 5 |
| 2010 | 288 | 4.463,02 | 15,50 | 5 |
| 2011 | 280 | 4.274,49 | 15,27 | 3 |
| 2012 | 342 | 6.390,58 | 18,69 | 5 |
| 2013 | 354 | 6.540,21 | 18,48 | 6 |
| 2014 | 458 | 10.360,94 | 22,62 | 6 |
| 2015 | 248 | 5.930,58 | 23,91 | 4 |
| 2016 | 65 | 1.323,41 | 20,36 | 2 |
| 2017 | 176 | 3.908,09 | 22,21 | 3 |
| 2018 | 275 | 6.975,77 | 25,37 | 3 |
| 2019 | 367 | 10.727,45 | 29,23 | 5 |
| 2020 | 449 | 17.004,30 | 37,87 | 6 |
| 2021 | 370 | 9.235,89 | 24,96 | 7 |
| 2022 | 310 | 7.399,72 | 23,87 | 6 |
| 2023 | 239 | 5.890,65 | 24,65 | 6 |
| 2024 | 170 | 3.472,26 | 20,43 | 6 |
| totale | 5.315 | 122.128,83 | 22,98 | 82 |