| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 253 | 5.680,09 | 22,45 | 4 |
| 2007 | 391 | 11.106,90 | 28,41 | 3 |
| 2008 | 295 | 8.683,01 | 29,43 | 3 |
| 2009 | 378 | 9.847,19 | 26,05 | 5 |
| 2010 | 371 | 7.917,70 | 21,34 | 5 |
| 2011 | 296 | 6.607,52 | 22,32 | 3 |
| 2012 | 513 | 11.659,36 | 22,73 | 6 |
| 2013 | 599 | 13.093,42 | 21,86 | 4 |
| 2014 | 593 | 15.374,02 | 25,93 | 5 |
| 2015 | 533 | 12.793,53 | 24,00 | 4 |
| 2016 | 338 | 8.058,71 | 23,84 | 4 |
| 2017 | 368 | 9.561,42 | 25,98 | 4 |
| 2018 | 107 | 2.467,38 | 23,06 | 3 |
| 2019 | 93 | 2.171,99 | 23,35 | 3 |
| 2020 | 153 | 3.899,45 | 25,49 | 4 |
| 2021 | 146 | 4.208,53 | 28,83 | 4 |
| 2022 | 143 | 4.563,55 | 31,91 | 5 |
| 2023 | 217 | 6.751,04 | 31,11 | 6 |
| 2024 | 237 | 6.866,40 | 28,97 | 6 |
| totale | 6.024 | 151.311,21 | 25,12 | 81 |