| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 277 | 5.936,87 | 21,43 | 2 |
| 2007 | 114 | 3.707,10 | 32,52 | 3 |
| 2008 | 200 | 5.404,58 | 27,02 | 3 |
| 2009 | 309 | 7.523,61 | 24,35 | 3 |
| 2010 | 364 | 7.229,37 | 19,86 | 3 |
| 2011 | 430 | 7.927,83 | 18,44 | 2 |
| 2012 | 484 | 9.748,41 | 20,14 | 3 |
| 2013 | 519 | 9.852,72 | 18,98 | 3 |
| 2014 | 501 | 12.626,10 | 25,20 | 3 |
| 2015 | 516 | 12.518,97 | 24,26 | 3 |
| 2016 | 530 | 13.457,38 | 25,39 | 3 |
| 2017 | 511 | 13.234,07 | 25,90 | 3 |
| 2018 | 543 | 15.419,37 | 28,40 | 3 |
| 2019 | 543 | 15.560,70 | 28,66 | 3 |
| 2020 | 521 | 15.229,21 | 29,23 | 3 |
| 2021 | 509 | 15.351,51 | 30,16 | 3 |
| 2022 | 499 | 14.830,41 | 29,72 | 3 |
| 2023 | 474 | 13.009,14 | 27,45 | 4 |
| 2024 | 487 | 12.522,64 | 25,71 | 4 |
| totale | 8.331 | 211.089,99 | 25,34 | 57 |