| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 388 | 7.105,75 | 18,31 | 2 |
| 2007 | 218 | 4.543,45 | 20,84 | 1 |
| 2008 | 184 | 4.497,74 | 24,44 | 1 |
| 2009 | 216 | 4.951,89 | 22,93 | 2 |
| 2010 | 191 | 3.880,87 | 20,32 | 4 |
| 2011 | 105 | 1.827,66 | 17,41 | 2 |
| 2012 | 134 | 3.403,95 | 25,40 | 4 |
| 2013 | 231 | 5.158,14 | 22,33 | 4 |
| 2014 | 231 | 6.558,11 | 28,39 | 3 |
| 2015 | 325 | 10.229,79 | 31,48 | 4 |
| 2016 | 381 | 11.705,67 | 30,72 | 5 |
| 2017 | 417 | 11.985,24 | 28,74 | 5 |
| 2018 | 425 | 12.480,68 | 29,37 | 5 |
| 2019 | 426 | 11.944,93 | 28,04 | 5 |
| 2020 | 407 | 11.642,63 | 28,61 | 6 |
| 2021 | 345 | 8.665,81 | 25,12 | 5 |
| 2022 | 317 | 7.962,53 | 25,12 | 5 |
| 2023 | 304 | 7.507,00 | 24,69 | 6 |
| 2024 | 295 | 7.270,74 | 24,65 | 5 |
| totale | 5.540 | 143.322,58 | 25,87 | 74 |