| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 69 | 1.399,46 | 20,28 | 1 |
| 2009 | 18 | 606,77 | 33,71 | 1 |
| 2010 | 17 | 787,34 | 46,31 | 1 |
| 2011 | 25 | 497,57 | 19,90 | 1 |
| 2012 | 52 | 1.893,05 | 36,40 | 2 |
| 2013 | 49 | 922,75 | 18,83 | 2 |
| 2014 | 43 | 1.117,59 | 25,99 | 2 |
| 2015 | 54 | 1.520,19 | 28,15 | 3 |
| 2016 | 47 | 1.395,73 | 29,70 | 2 |
| 2017 | 45 | 1.515,04 | 33,67 | 2 |
| 2018 | 38 | 1.256,15 | 33,06 | 2 |
| 2019 | 36 | 1.136,86 | 31,58 | 2 |
| 2020 | 34 | 1.092,81 | 32,14 | 2 |
| 2021 | 33 | 1.055,43 | 31,98 | 2 |
| 2022 | 30 | 1.028,15 | 34,27 | 2 |
| 2023 | 14 | 527,99 | 37,71 | 1 |
| 2024 | 17 | 648,54 | 38,15 | 1 |
| totale | 621 | 18.401,42 | 29,63 | 29 |