| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 419 | 5.556,46 | 13,26 | 1 |
| 2007 | 20 | 475,38 | 23,77 | 2 |
| 2008 | 12 | 233,12 | 19,43 | 1 |
| 2009 | 90 | 1.076,71 | 11,96 | 2 |
| 2010 | 642 | 14.080,81 | 21,93 | 2 |
| 2011 | 305 | 5.076,09 | 16,64 | 2 |
| 2012 | 572 | 10.999,14 | 19,23 | 3 |
| 2013 | 701 | 12.159,79 | 17,35 | 4 |
| 2014 | 575 | 13.069,09 | 22,73 | 4 |
| 2015 | 572 | 13.146,91 | 22,98 | 4 |
| 2016 | 434 | 8.631,33 | 19,89 | 6 |
| 2017 | 460 | 9.928,80 | 21,58 | 7 |
| 2018 | 414 | 9.148,83 | 22,10 | 8 |
| 2019 | 321 | 6.578,64 | 20,49 | 7 |
| 2020 | 266 | 5.931,96 | 22,30 | 7 |
| 2021 | 326 | 7.617,33 | 23,37 | 7 |
| 2022 | 325 | 9.274,00 | 28,54 | 8 |
| 2023 | 343 | 8.478,82 | 24,72 | 9 |
| 2024 | 408 | 9.474,45 | 23,22 | 10 |
| totale | 7.205 | 150.937,66 | 20,95 | 94 |