| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 513 | 9.667,03 | 18,84 | 1 |
| 2009 | 214 | 5.076,15 | 23,72 | 2 |
| 2010 | 305 | 5.342,89 | 17,52 | 2 |
| 2011 | 228 | 4.297,92 | 18,85 | 1 |
| 2012 | 404 | 8.240,54 | 20,40 | 3 |
| 2013 | 460 | 10.990,29 | 23,89 | 2 |
| 2014 | 384 | 10.587,33 | 27,57 | 2 |
| 2015 | 510 | 12.907,21 | 25,31 | 3 |
| 2016 | 560 | 15.298,82 | 27,32 | 3 |
| 2017 | 506 | 13.294,24 | 26,27 | 3 |
| 2018 | 482 | 13.257,00 | 27,50 | 3 |
| 2019 | 393 | 11.386,08 | 28,97 | 3 |
| 2020 | 406 | 12.960,60 | 31,92 | 3 |
| 2021 | 424 | 12.054,26 | 28,43 | 4 |
| 2022 | 180 | 6.135,46 | 34,09 | 2 |
| 2023 | 170 | 5.712,24 | 33,60 | 3 |
| 2024 | 176 | 5.388,99 | 30,62 | 4 |
| totale | 6.315 | 162.597,05 | 25,75 | 44 |