| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 749,82 | 9,61 | 2 |
| 2007 | 144 | 6.040,15 | 41,95 | 2 |
| 2008 | 134 | 2.712,16 | 20,24 | 2 |
| 2009 | 100 | 1.347,58 | 13,48 | 3 |
| 2010 | 237 | 3.478,96 | 14,68 | 3 |
| 2011 | 116 | 1.888,81 | 16,28 | 1 |
| 2012 | 84 | 1.608,44 | 19,15 | 2 |
| 2013 | 66 | 532,66 | 8,07 | 3 |
| 2014 | 10 | 138,72 | 13,87 | 2 |
| 2015 | 10 | 119,29 | 11,93 | 1 |
| 2016 | 7 | 242,91 | 34,70 | 2 |
| 2017 | 9 | 111,61 | 12,40 | 2 |
| 2018 | 7 | 102,60 | 14,66 | 2 |
| 2019 | 9 | 127,59 | 14,18 | 2 |
| 2020 | 7 | 83,49 | 11,93 | 2 |
| 2021 | 46 | 599,44 | 13,03 | 3 |
| 2022 | 52 | 650,56 | 12,51 | 2 |
| 2023 | 58 | 564,27 | 9,73 | 3 |
| 2024 | 11 | 109,73 | 9,98 | 2 |
| totale | 1.185 | 21.208,79 | 17,90 | 41 |