| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 786 | 21.788,97 | 27,72 | 5 |
| 2007 | 601 | 19.007,46 | 31,63 | 3 |
| 2008 | 484 | 13.240,59 | 27,36 | 3 |
| 2009 | 487 | 11.852,36 | 24,34 | 4 |
| 2010 | 521 | 10.056,96 | 19,30 | 4 |
| 2011 | 468 | 9.764,52 | 20,86 | 2 |
| 2012 | 470 | 10.967,54 | 23,34 | 3 |
| 2013 | 454 | 9.958,01 | 21,93 | 3 |
| 2014 | 437 | 11.687,09 | 26,74 | 3 |
| 2015 | 407 | 9.995,65 | 24,56 | 3 |
| 2016 | 65 | 3.096,46 | 47,64 | 2 |
| 2017 | 340 | 9.210,85 | 27,09 | 3 |
| 2018 | 341 | 9.591,57 | 28,13 | 3 |
| 2019 | 320 | 9.006,46 | 28,15 | 3 |
| 2020 | 327 | 9.053,61 | 27,69 | 3 |
| 2021 | 320 | 8.780,03 | 27,44 | 3 |
| 2022 | 320 | 8.699,55 | 27,19 | 5 |
| 2023 | 320 | 8.951,70 | 27,97 | 5 |
| 2024 | 323 | 9.263,16 | 28,68 | 4 |
| totale | 7.791 | 203.972,54 | 26,18 | 64 |