| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 69 | 1.181,01 | 17,12 | 1 |
| 2007 | 154 | 6.176,68 | 40,11 | 1 |
| 2008 | 137 | 5.129,96 | 37,44 | 1 |
| 2009 | 234 | 5.971,73 | 25,52 | 3 |
| 2010 | 171 | 4.001,88 | 23,40 | 3 |
| 2012 | 349 | 7.600,54 | 21,78 | 3 |
| 2013 | 242 | 4.789,89 | 19,79 | 3 |
| 2014 | 111 | 2.377,59 | 21,42 | 2 |
| 2015 | 91 | 2.101,50 | 23,09 | 2 |
| 2016 | 267 | 6.461,52 | 24,20 | 4 |
| 2017 | 244 | 6.800,26 | 27,87 | 5 |
| 2018 | 508 | 11.209,96 | 22,07 | 7 |
| 2019 | 300 | 8.210,54 | 27,37 | 7 |
| 2020 | 286 | 8.703,46 | 30,43 | 7 |
| 2021 | 225 | 6.987,74 | 31,06 | 7 |
| 2022 | 247 | 7.211,17 | 29,20 | 6 |
| 2023 | 262 | 7.188,93 | 27,44 | 7 |
| 2024 | 255 | 6.567,36 | 25,75 | 8 |
| totale | 4.152 | 108.671,72 | 26,17 | 77 |