| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 153 | 2.954,94 | 19,31 | 1 |
| 2007 | 20 | 514,46 | 25,72 | 1 |
| 2008 | 435 | 11.848,27 | 27,24 | 3 |
| 2009 | 317 | 8.567,33 | 27,03 | 4 |
| 2010 | 409 | 9.302,09 | 22,74 | 4 |
| 2011 | 29 | 433,59 | 14,95 | 1 |
| 2012 | 255 | 5.220,03 | 20,47 | 3 |
| 2013 | 327 | 6.616,86 | 20,24 | 4 |
| 2014 | 303 | 7.160,45 | 23,63 | 5 |
| 2015 | 277 | 6.666,04 | 24,07 | 5 |
| 2016 | 370 | 8.056,73 | 21,77 | 4 |
| 2017 | 187 | 3.904,60 | 20,88 | 4 |
| 2018 | 300 | 6.328,98 | 21,10 | 5 |
| 2019 | 284 | 6.031,05 | 21,24 | 5 |
| 2020 | 219 | 5.248,71 | 23,97 | 4 |
| 2021 | 330 | 8.218,82 | 24,91 | 5 |
| 2022 | 401 | 9.211,15 | 22,97 | 6 |
| 2023 | 355 | 9.136,48 | 25,74 | 6 |
| 2024 | 697 | 13.885,03 | 19,92 | 9 |
| totale | 5.668 | 129.305,61 | 22,81 | 79 |