| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 123 | 2.506,04 | 20,37 | 1 |
| 2007 | 6 | 230,45 | 38,41 | 1 |
| 2008 | 14 | 1.812,38 | 129,46 | 1 |
| 2009 | 46 | 939,60 | 20,43 | 1 |
| 2010 | 153 | 4.185,79 | 27,36 | 1 |
| 2011 | 38 | 1.579,57 | 41,57 | 1 |
| 2012 | 196 | 4.565,62 | 23,29 | 3 |
| 2013 | 265 | 5.606,88 | 21,16 | 4 |
| 2014 | 347 | 8.150,62 | 23,49 | 4 |
| 2015 | 330 | 8.565,56 | 25,96 | 4 |
| 2016 | 402 | 10.152,65 | 25,26 | 4 |
| 2017 | 400 | 9.699,04 | 24,25 | 4 |
| 2018 | 422 | 11.253,38 | 26,67 | 4 |
| 2019 | 438 | 11.438,15 | 26,11 | 4 |
| 2020 | 400 | 11.733,32 | 29,33 | 4 |
| 2021 | 145 | 3.979,24 | 27,44 | 4 |
| 2022 | 146 | 3.991,52 | 27,34 | 4 |
| 2023 | 148 | 3.674,33 | 24,83 | 6 |
| 2024 | 165 | 3.524,33 | 21,36 | 7 |
| totale | 4.184 | 107.588,47 | 25,71 | 62 |