| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 406 | 8.675,65 | 21,37 | 1 |
| 2007 | 4 | 158,56 | 39,64 | 1 |
| 2009 | 80 | 2.441,81 | 30,52 | 2 |
| 2010 | 28 | 561,46 | 20,05 | 3 |
| 2011 | 68 | 2.178,34 | 32,03 | 1 |
| 2012 | 131 | 3.340,22 | 25,50 | 2 |
| 2013 | 136 | 3.361,25 | 24,72 | 2 |
| 2014 | 37 | 850,91 | 23,00 | 2 |
| 2015 | 131 | 2.987,47 | 22,81 | 4 |
| 2016 | 124 | 2.675,84 | 21,58 | 3 |
| 2017 | 223 | 4.544,45 | 20,38 | 3 |
| 2018 | 533 | 12.342,99 | 23,16 | 3 |
| 2019 | 306 | 7.048,59 | 23,03 | 3 |
| 2020 | 291 | 6.649,29 | 22,85 | 3 |
| 2021 | 319 | 7.160,78 | 22,45 | 3 |
| 2022 | 321 | 7.101,62 | 22,12 | 3 |
| 2023 | 417 | 8.303,87 | 19,91 | 3 |
| 2024 | 365 | 7.393,41 | 20,26 | 4 |
| totale | 3.920 | 87.776,51 | 22,39 | 46 |