| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 665 | 16.397,31 | 24,66 | 3 |
| 2007 | 25 | 1.014,57 | 40,58 | 1 |
| 2008 | 425 | 13.269,53 | 31,22 | 4 |
| 2009 | 522 | 20.070,60 | 38,45 | 5 |
| 2010 | 496 | 14.252,91 | 28,74 | 5 |
| 2011 | 336 | 8.727,36 | 25,97 | 3 |
| 2012 | 607 | 15.180,18 | 25,01 | 7 |
| 2013 | 636 | 14.910,82 | 23,44 | 8 |
| 2014 | 612 | 18.535,91 | 30,29 | 6 |
| 2015 | 654 | 20.439,11 | 31,25 | 7 |
| 2016 | 658 | 20.711,74 | 31,48 | 7 |
| 2017 | 648 | 20.763,26 | 32,04 | 6 |
| 2018 | 648 | 19.160,46 | 29,57 | 7 |
| 2019 | 634 | 19.964,32 | 31,49 | 6 |
| 2020 | 602 | 19.615,42 | 32,58 | 5 |
| 2021 | 595 | 18.875,49 | 31,72 | 5 |
| 2022 | 550 | 16.277,42 | 29,60 | 5 |
| 2023 | 537 | 16.083,68 | 29,95 | 5 |
| 2024 | 520 | 16.274,36 | 31,30 | 5 |
| totale | 10.370 | 310.524,45 | 29,94 | 100 |