| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 5 | 51,43 | 10,29 | 1 |
| 2009 | 7 | 124,75 | 17,82 | 1 |
| 2010 | 55 | 1.698,15 | 30,88 | 2 |
| 2011 | 154 | 3.719,47 | 24,15 | 2 |
| 2012 | 161 | 4.889,03 | 30,37 | 3 |
| 2013 | 273 | 7.082,78 | 25,94 | 4 |
| 2014 | 542 | 14.564,41 | 26,87 | 5 |
| 2015 | 521 | 15.152,76 | 29,08 | 5 |
| 2016 | 638 | 17.792,09 | 27,89 | 5 |
| 2017 | 590 | 15.415,56 | 26,13 | 6 |
| 2018 | 618 | 16.017,84 | 25,92 | 7 |
| 2019 | 563 | 14.185,51 | 25,20 | 6 |
| 2020 | 506 | 13.289,26 | 26,26 | 6 |
| 2021 | 433 | 13.590,93 | 31,39 | 6 |
| 2022 | 536 | 17.641,25 | 32,91 | 6 |
| 2023 | 495 | 15.633,52 | 31,58 | 6 |
| 2024 | 525 | 15.476,65 | 29,48 | 6 |
| totale | 6.622 | 186.325,39 | 28,14 | 77 |