| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 564 | 13.172,28 | 23,36 | 2 |
| 2007 | 258 | 9.154,19 | 35,48 | 3 |
| 2008 | 291 | 11.504,23 | 39,53 | 3 |
| 2009 | 410 | 14.738,16 | 35,95 | 3 |
| 2010 | 407 | 12.965,90 | 31,86 | 3 |
| 2011 | 195 | 6.861,44 | 35,19 | 2 |
| 2012 | 374 | 12.107,33 | 32,37 | 4 |
| 2013 | 320 | 9.716,72 | 30,36 | 3 |
| 2014 | 355 | 15.949,22 | 44,93 | 3 |
| 2015 | 575 | 25.101,56 | 43,65 | 4 |
| 2016 | 572 | 25.016,98 | 43,74 | 6 |
| 2017 | 528 | 21.128,76 | 40,02 | 5 |
| 2018 | 499 | 20.814,39 | 41,71 | 6 |
| 2019 | 371 | 17.006,76 | 45,84 | 6 |
| 2020 | 323 | 14.614,42 | 45,25 | 6 |
| 2021 | 279 | 12.155,33 | 43,57 | 5 |
| 2022 | 234 | 10.215,24 | 43,65 | 4 |
| 2023 | 265 | 9.686,93 | 36,55 | 5 |
| 2024 | 266 | 9.996,17 | 37,58 | 4 |
| totale | 7.086 | 271.906,01 | 38,37 | 77 |