| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 426 | 5.105,76 | 11,99 | 2 |
| 2007 | 249 | 3.869,19 | 15,54 | 1 |
| 2008 | 192 | 2.936,44 | 15,29 | 1 |
| 2009 | 232 | 3.096,38 | 13,35 | 2 |
| 2010 | 251 | 2.836,83 | 11,30 | 2 |
| 2011 | 185 | 1.901,92 | 10,28 | 1 |
| 2012 | 264 | 3.025,25 | 11,46 | 2 |
| 2013 | 416 | 5.370,05 | 12,91 | 2 |
| 2014 | 365 | 5.802,60 | 15,90 | 2 |
| 2015 | 374 | 6.300,81 | 16,85 | 2 |
| 2016 | 385 | 6.858,12 | 17,81 | 2 |
| 2017 | 343 | 5.982,22 | 17,44 | 2 |
| 2018 | 242 | 4.532,72 | 18,73 | 2 |
| 2019 | 307 | 5.582,16 | 18,18 | 2 |
| 2020 | 375 | 7.688,67 | 20,50 | 2 |
| 2021 | 374 | 9.083,23 | 24,29 | 2 |
| 2022 | 387 | 8.895,82 | 22,99 | 2 |
| 2023 | 386 | 8.823,45 | 22,86 | 2 |
| 2024 | 336 | 6.594,53 | 19,63 | 3 |
| totale | 6.089 | 104.286,15 | 17,13 | 36 |