| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 130 | 2.407,13 | 18,52 | 2 |
| 2007 | 118 | 3.100,46 | 26,28 | 2 |
| 2008 | 128 | 3.269,11 | 25,54 | 1 |
| 2009 | 127 | 2.913,47 | 22,94 | 4 |
| 2010 | 342 | 4.805,79 | 14,05 | 4 |
| 2011 | 139 | 2.130,81 | 15,33 | 3 |
| 2012 | 116 | 1.752,71 | 15,11 | 3 |
| 2013 | 215 | 2.443,43 | 11,36 | 3 |
| 2014 | 68 | 1.781,19 | 26,19 | 4 |
| 2015 | 276 | 6.253,87 | 22,66 | 5 |
| 2016 | 224 | 5.240,12 | 23,39 | 5 |
| 2017 | 341 | 7.780,69 | 22,82 | 6 |
| 2018 | 341 | 7.668,55 | 22,49 | 6 |
| 2019 | 385 | 9.016,96 | 23,42 | 8 |
| 2020 | 442 | 11.947,56 | 27,03 | 7 |
| 2021 | 518 | 14.193,36 | 27,40 | 7 |
| 2022 | 475 | 13.858,48 | 29,18 | 5 |
| 2023 | 460 | 12.837,66 | 27,91 | 7 |
| 2024 | 550 | 15.161,95 | 27,57 | 7 |
| totale | 5.395 | 128.563,30 | 23,83 | 89 |