| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 933 | 18.783,35 | 20,13 | 3 |
| 2007 | 588 | 13.377,12 | 22,75 | 4 |
| 2008 | 689 | 17.212,04 | 24,98 | 4 |
| 2009 | 633 | 13.491,66 | 21,31 | 6 |
| 2010 | 550 | 11.155,84 | 20,28 | 5 |
| 2011 | 435 | 7.310,02 | 16,80 | 2 |
| 2012 | 586 | 11.752,14 | 20,05 | 4 |
| 2013 | 576 | 10.879,22 | 18,89 | 6 |
| 2014 | 549 | 12.347,23 | 22,49 | 4 |
| 2015 | 602 | 14.154,79 | 23,51 | 6 |
| 2016 | 571 | 13.747,40 | 24,08 | 5 |
| 2017 | 586 | 14.938,44 | 25,49 | 8 |
| 2018 | 715 | 18.086,83 | 25,30 | 9 |
| 2019 | 731 | 18.269,33 | 24,99 | 10 |
| 2020 | 723 | 18.011,40 | 24,91 | 11 |
| 2021 | 708 | 19.026,23 | 26,87 | 13 |
| 2022 | 667 | 18.218,81 | 27,31 | 13 |
| 2023 | 706 | 18.816,57 | 26,65 | 13 |
| 2024 | 700 | 18.949,06 | 27,07 | 14 |
| totale | 12.248 | 288.527,48 | 23,56 | 140 |