| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 441 | 10.893,59 | 24,70 | 2 |
| 2007 | 454 | 13.568,81 | 29,89 | 4 |
| 2008 | 477 | 13.411,06 | 28,12 | 5 |
| 2009 | 399 | 13.294,13 | 33,32 | 8 |
| 2010 | 789 | 19.769,54 | 25,06 | 8 |
| 2011 | 760 | 18.680,88 | 24,58 | 5 |
| 2012 | 815 | 22.918,90 | 28,12 | 7 |
| 2013 | 657 | 17.530,78 | 26,68 | 8 |
| 2014 | 623 | 20.451,65 | 32,83 | 9 |
| 2015 | 455 | 15.168,75 | 33,34 | 6 |
| 2016 | 498 | 17.385,55 | 34,91 | 8 |
| 2017 | 579 | 20.582,40 | 35,55 | 11 |
| 2018 | 592 | 20.918,86 | 35,34 | 11 |
| 2019 | 605 | 22.164,63 | 36,64 | 14 |
| 2020 | 602 | 21.978,59 | 36,51 | 14 |
| 2021 | 531 | 19.496,95 | 36,72 | 15 |
| 2022 | 464 | 17.597,43 | 37,93 | 14 |
| 2023 | 435 | 16.634,64 | 38,24 | 14 |
| 2024 | 424 | 16.046,92 | 37,85 | 14 |
| totale | 10.600 | 338.494,06 | 31,93 | 177 |