| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 187 | 4.080,20 | 21,82 | 4 |
| 2007 | 95 | 2.402,59 | 25,29 | 5 |
| 2008 | 52 | 1.610,77 | 30,98 | 4 |
| 2009 | 127 | 3.554,24 | 27,99 | 5 |
| 2010 | 157 | 3.363,11 | 21,42 | 6 |
| 2011 | 179 | 3.992,32 | 22,30 | 8 |
| 2012 | 358 | 9.030,27 | 25,22 | 9 |
| 2013 | 349 | 7.209,11 | 20,66 | 6 |
| 2014 | 361 | 10.702,29 | 29,65 | 6 |
| 2015 | 487 | 14.869,39 | 30,53 | 6 |
| 2016 | 496 | 16.093,62 | 32,45 | 7 |
| 2017 | 538 | 16.776,94 | 31,18 | 8 |
| 2018 | 567 | 17.480,33 | 30,83 | 9 |
| 2019 | 668 | 21.708,65 | 32,50 | 10 |
| 2020 | 543 | 20.119,16 | 37,05 | 10 |
| 2021 | 539 | 22.212,29 | 41,21 | 11 |
| 2022 | 475 | 19.241,32 | 40,51 | 11 |
| 2023 | 455 | 16.351,78 | 35,94 | 11 |
| 2024 | 457 | 15.697,95 | 34,35 | 12 |
| totale | 7.090 | 226.496,33 | 31,95 | 148 |