| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 93 | 1.069,31 | 11,50 | 1 |
| 2009 | 21 | 297,52 | 14,17 | 1 |
| 2010 | 36 | 541,03 | 15,03 | 2 |
| 2012 | 29 | 385,70 | 13,30 | 2 |
| 2013 | 63 | 1.246,71 | 19,79 | 4 |
| 2014 | 80 | 2.517,11 | 31,46 | 2 |
| 2015 | 119 | 3.084,97 | 25,92 | 2 |
| 2016 | 137 | 4.468,63 | 32,62 | 2 |
| 2017 | 227 | 7.957,35 | 35,05 | 2 |
| 2018 | 384 | 10.651,86 | 27,74 | 2 |
| 2019 | 370 | 11.767,03 | 31,80 | 3 |
| 2020 | 380 | 12.818,65 | 33,73 | 3 |
| 2021 | 384 | 11.916,87 | 31,03 | 3 |
| 2022 | 432 | 13.654,24 | 31,61 | 4 |
| 2023 | 446 | 12.954,12 | 29,05 | 4 |
| 2024 | 536 | 15.051,63 | 28,08 | 4 |
| totale | 3.737 | 110.382,73 | 29,54 | 41 |