| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 117 | 1.839,42 | 15,72 | 1 |
| 2009 | 53 | 769,18 | 14,51 | 1 |
| 2010 | 51 | 583,38 | 11,44 | 1 |
| 2012 | 61 | 887,99 | 14,56 | 1 |
| 2013 | 45 | 622,22 | 13,83 | 1 |
| 2014 | 34 | 587,95 | 17,29 | 1 |
| 2015 | 39 | 716,97 | 18,38 | 2 |
| 2016 | 57 | 1.164,12 | 20,42 | 2 |
| 2017 | 61 | 1.577,62 | 25,86 | 2 |
| 2018 | 66 | 1.616,84 | 24,50 | 2 |
| 2019 | 63 | 1.409,11 | 22,37 | 2 |
| 2020 | 65 | 1.575,63 | 24,24 | 2 |
| 2021 | 57 | 1.484,63 | 26,05 | 2 |
| 2022 | 46 | 1.365,27 | 29,68 | 2 |
| 2023 | 23 | 431,68 | 18,77 | 1 |
| 2024 | 20 | 272,53 | 13,63 | 1 |
| totale | 858 | 16.904,54 | 19,70 | 24 |