| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 358 | 8.448,23 | 23,60 | 2 |
| 2007 | 55 | 2.731,17 | 49,66 | 2 |
| 2008 | 39 | 2.467,74 | 63,28 | 2 |
| 2009 | 109 | 3.834,59 | 35,18 | 4 |
| 2010 | 138 | 4.405,36 | 31,92 | 3 |
| 2011 | 55 | 2.058,79 | 37,43 | 3 |
| 2012 | 149 | 4.533,73 | 30,43 | 4 |
| 2013 | 159 | 4.179,60 | 26,29 | 4 |
| 2014 | 104 | 3.831,33 | 36,84 | 3 |
| 2015 | 293 | 9.904,03 | 33,80 | 4 |
| 2016 | 318 | 10.198,09 | 32,07 | 4 |
| 2017 | 342 | 10.756,95 | 31,45 | 4 |
| 2018 | 401 | 12.226,58 | 30,49 | 4 |
| 2019 | 393 | 11.827,51 | 30,10 | 4 |
| 2020 | 421 | 13.265,08 | 31,51 | 5 |
| 2021 | 362 | 11.366,37 | 31,40 | 6 |
| 2022 | 394 | 13.256,83 | 33,65 | 6 |
| 2023 | 409 | 13.130,30 | 32,10 | 7 |
| 2024 | 181 | 5.327,05 | 29,43 | 6 |
| totale | 4.680 | 147.749,33 | 31,57 | 77 |