| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 158 | 2.425,49 | 15,35 | 1 |
| 2008 | 63 | 2.435,52 | 38,66 | 1 |
| 2009 | 80 | 926,93 | 11,59 | 2 |
| 2010 | 308 | 6.533,10 | 21,21 | 4 |
| 2011 | 129 | 2.665,61 | 20,66 | 2 |
| 2012 | 73 | 1.813,92 | 24,85 | 3 |
| 2013 | 39 | 870,83 | 22,33 | 2 |
| 2014 | 21 | 408,95 | 19,47 | 2 |
| 2015 | 11 | 213,54 | 19,41 | 1 |
| 2016 | 14 | 311,25 | 22,23 | 2 |
| 2017 | 24 | 526,53 | 21,94 | 2 |
| 2018 | 17 | 403,89 | 23,76 | 3 |
| 2019 | 34 | 685,05 | 20,15 | 4 |
| 2020 | 20 | 283,88 | 14,19 | 4 |
| 2021 | 14 | 125,04 | 8,93 | 5 |
| 2022 | 133 | 4.245,22 | 31,92 | 2 |
| 2023 | 133 | 3.948,95 | 29,69 | 3 |
| 2024 | 149 | 3.689,90 | 24,76 | 4 |
| totale | 1.420 | 32.513,60 | 22,90 | 47 |