| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 36 | 636,45 | 17,68 | 2 |
| 2007 | 74 | 1.772,05 | 23,95 | 1 |
| 2008 | 1.373 | 31.981,81 | 23,29 | 2 |
| 2009 | 845 | 21.847,16 | 25,85 | 2 |
| 2010 | 1.188 | 24.745,06 | 20,83 | 5 |
| 2011 | 999 | 22.399,95 | 22,42 | 4 |
| 2012 | 839 | 18.592,14 | 22,16 | 6 |
| 2013 | 57 | 1.043,92 | 18,31 | 4 |
| 2014 | 601 | 15.811,85 | 26,31 | 3 |
| 2015 | 540 | 13.779,81 | 25,52 | 5 |
| 2016 | 512 | 12.232,51 | 23,89 | 4 |
| 2017 | 396 | 9.717,18 | 24,54 | 4 |
| 2018 | 387 | 10.295,15 | 26,60 | 6 |
| 2019 | 353 | 8.974,80 | 25,42 | 6 |
| 2020 | 275 | 7.932,67 | 28,85 | 6 |
| 2021 | 237 | 7.853,36 | 33,14 | 6 |
| 2022 | 219 | 9.851,15 | 44,98 | 4 |
| 2023 | 231 | 10.218,17 | 44,23 | 4 |
| 2024 | 230 | 7.722,20 | 33,57 | 5 |
| totale | 9.392 | 237.407,39 | 25,28 | 79 |