| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 124 | 2.259,14 | 18,22 | 3 |
| 2007 | 335 | 7.110,01 | 21,22 | 3 |
| 2008 | 653 | 17.964,95 | 27,51 | 6 |
| 2009 | 633 | 12.737,74 | 20,12 | 4 |
| 2010 | 668 | 16.915,54 | 25,32 | 6 |
| 2011 | 670 | 15.700,64 | 23,43 | 4 |
| 2012 | 504 | 10.454,60 | 20,74 | 5 |
| 2013 | 820 | 13.913,74 | 16,97 | 6 |
| 2014 | 383 | 8.450,94 | 22,07 | 4 |
| 2015 | 523 | 14.373,16 | 27,48 | 6 |
| 2016 | 443 | 11.251,78 | 25,40 | 5 |
| 2017 | 444 | 10.776,55 | 24,27 | 5 |
| 2018 | 402 | 9.908,62 | 24,65 | 5 |
| 2019 | 331 | 8.245,70 | 24,91 | 5 |
| 2020 | 395 | 9.003,06 | 22,79 | 6 |
| 2021 | 337 | 8.876,88 | 26,34 | 6 |
| 2022 | 443 | 11.857,62 | 26,77 | 6 |
| 2023 | 300 | 6.897,74 | 22,99 | 6 |
| 2024 | 560 | 10.927,82 | 19,51 | 8 |
| totale | 8.968 | 207.626,23 | 23,15 | 99 |