| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 91 | 1.376,00 | 15,12 | 1 |
| 2008 | 2 | 53,92 | 26,96 | 1 |
| 2009 | 38 | 743,94 | 19,58 | 3 |
| 2010 | 31 | 517,38 | 16,69 | 3 |
| 2011 | 2 | 38,22 | 19,11 | 1 |
| 2012 | 58 | 1.663,44 | 28,68 | 2 |
| 2013 | 74 | 2.143,84 | 28,97 | 2 |
| 2014 | 62 | 2.443,11 | 39,41 | 2 |
| 2015 | 12 | 148,83 | 12,40 | 1 |
| 2016 | 61 | 2.849,20 | 46,71 | 2 |
| 2017 | 53 | 2.706,75 | 51,07 | 2 |
| 2018 | 49 | 2.664,87 | 54,39 | 2 |
| 2019 | 47 | 2.640,15 | 56,17 | 2 |
| 2020 | 39 | 2.808,71 | 72,02 | 2 |
| 2021 | 33 | 2.354,11 | 71,34 | 2 |
| 2022 | 6 | 322,68 | 53,78 | 1 |
| 2023 | 6 | 327,38 | 54,56 | 1 |
| 2024 | 5 | 124,26 | 24,85 | 1 |
| totale | 669 | 25.926,79 | 38,75 | 31 |