| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 512 | 10.793,60 | 21,08 | 2 |
| 2007 | 328 | 9.045,15 | 27,58 | 2 |
| 2008 | 343 | 9.632,68 | 28,08 | 4 |
| 2009 | 409 | 13.071,75 | 31,96 | 7 |
| 2010 | 223 | 8.986,14 | 40,30 | 7 |
| 2011 | 25 | 2.876,92 | 115,08 | 2 |
| 2012 | 293 | 8.595,11 | 29,33 | 4 |
| 2013 | 280 | 6.987,79 | 24,96 | 5 |
| 2014 | 292 | 8.594,65 | 29,43 | 5 |
| 2015 | 311 | 8.597,28 | 27,64 | 6 |
| 2016 | 285 | 9.147,81 | 32,10 | 4 |
| 2017 | 298 | 11.059,08 | 37,11 | 6 |
| 2018 | 273 | 9.764,31 | 35,77 | 6 |
| 2019 | 466 | 14.433,60 | 30,97 | 6 |
| 2020 | 438 | 13.464,52 | 30,74 | 6 |
| 2021 | 518 | 16.800,52 | 32,43 | 6 |
| 2022 | 562 | 19.187,47 | 34,14 | 6 |
| 2023 | 694 | 28.215,37 | 40,66 | 8 |
| 2024 | 1.316 | 45.514,87 | 34,59 | 8 |
| totale | 7.866 | 254.768,62 | 32,39 | 100 |