| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 470 | 11.607,65 | 24,70 | 3 |
| 2007 | 246 | 6.481,46 | 26,35 | 2 |
| 2008 | 288 | 10.089,21 | 35,03 | 6 |
| 2009 | 205 | 5.415,83 | 26,42 | 3 |
| 2010 | 338 | 10.649,07 | 31,51 | 7 |
| 2011 | 258 | 8.724,55 | 33,82 | 7 |
| 2012 | 372 | 12.047,72 | 32,39 | 9 |
| 2013 | 391 | 12.694,00 | 32,47 | 10 |
| 2014 | 337 | 15.708,16 | 46,61 | 9 |
| 2015 | 385 | 13.608,02 | 35,35 | 10 |
| 2016 | 381 | 13.889,05 | 36,45 | 12 |
| 2017 | 401 | 13.204,38 | 32,93 | 11 |
| 2018 | 417 | 14.177,03 | 34,00 | 12 |
| 2019 | 382 | 13.643,57 | 35,72 | 8 |
| 2020 | 355 | 12.862,05 | 36,23 | 8 |
| 2021 | 408 | 14.510,21 | 35,56 | 9 |
| 2022 | 479 | 14.078,27 | 29,39 | 10 |
| 2023 | 506 | 14.661,62 | 28,98 | 11 |
| 2024 | 547 | 14.766,98 | 27,00 | 11 |
| totale | 7.166 | 232.818,83 | 32,49 | 158 |