| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 592 | 9.896,17 | 16,72 | 4 |
| 2007 | 453 | 8.779,69 | 19,38 | 3 |
| 2008 | 467 | 9.417,77 | 20,17 | 3 |
| 2009 | 386 | 7.374,30 | 19,10 | 3 |
| 2010 | 477 | 7.377,12 | 15,47 | 4 |
| 2011 | 485 | 7.270,06 | 14,99 | 4 |
| 2012 | 456 | 8.247,04 | 18,09 | 5 |
| 2013 | 540 | 9.089,25 | 16,83 | 6 |
| 2014 | 571 | 12.159,97 | 21,30 | 6 |
| 2015 | 536 | 10.840,15 | 20,22 | 5 |
| 2016 | 519 | 10.106,35 | 19,47 | 6 |
| 2017 | 493 | 9.951,23 | 20,19 | 6 |
| 2018 | 491 | 9.862,93 | 20,09 | 6 |
| 2019 | 499 | 10.527,90 | 21,10 | 6 |
| 2020 | 486 | 11.325,92 | 23,30 | 6 |
| 2021 | 452 | 10.097,24 | 22,34 | 6 |
| 2022 | 434 | 9.685,33 | 22,32 | 6 |
| 2023 | 414 | 9.174,87 | 22,16 | 7 |
| 2024 | 388 | 7.433,18 | 19,16 | 7 |
| totale | 9.139 | 178.616,47 | 19,54 | 99 |