| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 160 | 7.236,23 | 45,23 | 2 |
| 2007 | 91 | 3.253,89 | 35,76 | 1 |
| 2008 | 131 | 4.229,76 | 32,29 | 1 |
| 2009 | 155 | 4.852,97 | 31,31 | 2 |
| 2010 | 148 | 4.704,52 | 31,79 | 5 |
| 2011 | 183 | 5.836,04 | 31,89 | 2 |
| 2012 | 158 | 5.364,75 | 33,95 | 3 |
| 2013 | 132 | 4.163,35 | 31,54 | 2 |
| 2014 | 226 | 8.119,26 | 35,93 | 7 |
| 2015 | 148 | 5.291,07 | 35,75 | 7 |
| 2016 | 223 | 7.923,18 | 35,53 | 5 |
| 2017 | 284 | 8.588,45 | 30,24 | 5 |
| 2018 | 233 | 6.919,95 | 29,70 | 5 |
| 2019 | 240 | 6.958,17 | 28,99 | 5 |
| 2020 | 231 | 6.811,80 | 29,49 | 5 |
| 2021 | 308 | 8.949,52 | 29,06 | 6 |
| 2022 | 237 | 6.791,72 | 28,66 | 5 |
| 2023 | 219 | 6.283,67 | 28,69 | 5 |
| 2024 | 237 | 6.581,73 | 27,77 | 7 |
| totale | 3.744 | 118.860,03 | 31,75 | 80 |