| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 177 | 3.790,20 | 21,41 | 2 |
| 2007 | 122 | 7.543,67 | 61,83 | 2 |
| 2008 | 125 | 3.483,24 | 27,87 | 2 |
| 2009 | 76 | 2.297,72 | 30,23 | 2 |
| 2010 | 79 | 2.457,60 | 31,11 | 1 |
| 2012 | 94 | 2.766,13 | 29,43 | 2 |
| 2013 | 107 | 2.889,60 | 27,01 | 3 |
| 2014 | 327 | 10.915,06 | 33,38 | 4 |
| 2015 | 377 | 12.854,86 | 34,10 | 4 |
| 2016 | 395 | 13.198,89 | 33,41 | 5 |
| 2017 | 449 | 14.355,00 | 31,97 | 7 |
| 2018 | 460 | 15.184,17 | 33,01 | 8 |
| 2019 | 477 | 15.796,99 | 33,12 | 7 |
| 2020 | 431 | 14.406,70 | 33,43 | 7 |
| 2021 | 428 | 13.897,34 | 32,47 | 9 |
| 2022 | 306 | 10.505,38 | 34,33 | 7 |
| 2023 | 309 | 12.276,83 | 39,73 | 8 |
| 2024 | 358 | 13.840,19 | 38,66 | 9 |
| totale | 5.097 | 172.459,57 | 33,84 | 89 |