| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 66 | 701,98 | 10,64 | 1 |
| 2009 | 7 | 144,30 | 20,61 | 1 |
| 2010 | 375 | 5.763,96 | 15,37 | 2 |
| 2011 | 82 | 1.283,58 | 15,65 | 1 |
| 2012 | 113 | 1.552,19 | 13,74 | 2 |
| 2013 | 274 | 4.531,76 | 16,54 | 3 |
| 2014 | 323 | 7.799,10 | 24,15 | 3 |
| 2015 | 240 | 6.553,31 | 27,31 | 3 |
| 2016 | 323 | 7.916,26 | 24,51 | 3 |
| 2017 | 238 | 5.881,55 | 24,71 | 3 |
| 2018 | 310 | 7.573,85 | 24,43 | 3 |
| 2019 | 261 | 6.371,99 | 24,41 | 3 |
| 2020 | 237 | 6.394,35 | 26,98 | 3 |
| 2021 | 261 | 7.676,59 | 29,41 | 3 |
| 2022 | 138 | 4.710,30 | 34,13 | 3 |
| 2023 | 150 | 4.817,98 | 32,12 | 3 |
| 2024 | 117 | 3.739,57 | 31,96 | 3 |
| totale | 3.515 | 83.412,62 | 23,73 | 43 |