| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 181 | 2.375,40 | 13,12 | 3 |
| 2007 | 72 | 879,33 | 12,21 | 1 |
| 2008 | 381 | 3.891,88 | 10,21 | 2 |
| 2009 | 351 | 3.551,41 | 10,12 | 3 |
| 2010 | 366 | 2.741,63 | 7,49 | 3 |
| 2011 | 331 | 2.809,56 | 8,49 | 2 |
| 2012 | 305 | 3.111,24 | 10,20 | 3 |
| 2013 | 253 | 2.185,65 | 8,64 | 2 |
| 2014 | 232 | 2.948,34 | 12,71 | 2 |
| 2015 | 401 | 6.473,82 | 16,14 | 3 |
| 2016 | 297 | 5.095,72 | 17,16 | 3 |
| 2017 | 278 | 5.362,38 | 19,29 | 4 |
| 2018 | 220 | 3.955,74 | 17,98 | 3 |
| 2019 | 231 | 4.407,83 | 19,08 | 3 |
| 2020 | 233 | 4.501,37 | 19,32 | 3 |
| 2021 | 236 | 4.677,99 | 19,82 | 3 |
| 2022 | 232 | 4.651,11 | 20,05 | 3 |
| 2023 | 242 | 4.858,33 | 20,08 | 3 |
| 2024 | 299 | 5.342,40 | 17,87 | 3 |
| totale | 5.141 | 73.821,13 | 14,36 | 52 |