| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 338 | 6.863,71 | 20,31 | 2 |
| 2007 | 192 | 3.771,00 | 19,64 | 1 |
| 2008 | 201 | 3.893,37 | 19,37 | 1 |
| 2009 | 374 | 7.669,48 | 20,51 | 2 |
| 2010 | 398 | 7.151,18 | 17,97 | 2 |
| 2011 | 383 | 6.623,53 | 17,29 | 1 |
| 2012 | 423 | 7.535,59 | 17,81 | 2 |
| 2013 | 401 | 6.893,32 | 17,19 | 2 |
| 2014 | 450 | 9.870,86 | 21,94 | 2 |
| 2015 | 425 | 10.179,79 | 23,95 | 2 |
| 2016 | 395 | 8.810,87 | 22,31 | 2 |
| 2017 | 364 | 8.075,26 | 22,18 | 3 |
| 2018 | 329 | 7.182,51 | 21,83 | 2 |
| 2019 | 331 | 7.290,67 | 22,03 | 2 |
| 2020 | 314 | 6.910,25 | 22,01 | 2 |
| 2021 | 294 | 6.873,72 | 23,38 | 2 |
| 2022 | 282 | 6.158,62 | 21,84 | 2 |
| 2023 | 261 | 5.700,77 | 21,84 | 2 |
| 2024 | 249 | 5.202,72 | 20,89 | 2 |
| totale | 6.404 | 132.657,22 | 20,71 | 36 |