| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 252 | 4.871,92 | 19,33 | 1 |
| 2007 | 15 | 633,88 | 42,26 | 1 |
| 2008 | 278 | 9.510,70 | 34,21 | 1 |
| 2009 | 203 | 3.962,55 | 19,52 | 2 |
| 2010 | 396 | 8.930,52 | 22,55 | 3 |
| 2011 | 74 | 1.513,62 | 20,45 | 1 |
| 2012 | 383 | 8.531,83 | 22,28 | 3 |
| 2013 | 394 | 6.994,93 | 17,75 | 3 |
| 2014 | 409 | 9.347,35 | 22,85 | 3 |
| 2015 | 409 | 9.687,45 | 23,69 | 3 |
| 2016 | 410 | 9.798,27 | 23,90 | 3 |
| 2017 | 408 | 10.048,21 | 24,63 | 4 |
| 2018 | 352 | 8.261,83 | 23,47 | 4 |
| 2019 | 338 | 8.542,67 | 25,27 | 4 |
| 2020 | 343 | 9.575,43 | 27,92 | 5 |
| 2021 | 318 | 8.430,56 | 26,51 | 5 |
| 2022 | 328 | 9.837,16 | 29,99 | 5 |
| 2023 | 390 | 10.776,93 | 27,63 | 6 |
| 2024 | 329 | 8.926,85 | 27,13 | 6 |
| totale | 6.029 | 148.182,66 | 24,58 | 63 |