| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 136 | 3.020,86 | 22,21 | 4 |
| 2007 | 93 | 2.423,45 | 26,06 | 4 |
| 2008 | 52 | 1.035,36 | 19,91 | 2 |
| 2009 | 291 | 9.509,59 | 32,68 | 6 |
| 2010 | 475 | 10.815,61 | 22,77 | 6 |
| 2011 | 34 | 661,44 | 19,45 | 1 |
| 2012 | 622 | 13.999,55 | 22,51 | 5 |
| 2013 | 463 | 11.371,27 | 24,56 | 5 |
| 2014 | 228 | 6.621,39 | 29,04 | 7 |
| 2015 | 277 | 9.025,37 | 32,58 | 10 |
| 2016 | 444 | 12.413,01 | 27,96 | 9 |
| 2017 | 272 | 9.255,54 | 34,03 | 9 |
| 2018 | 183 | 6.130,71 | 33,50 | 9 |
| 2019 | 461 | 13.864,97 | 30,08 | 10 |
| 2020 | 378 | 11.077,17 | 29,30 | 10 |
| 2021 | 355 | 10.793,36 | 30,40 | 11 |
| 2022 | 387 | 12.053,94 | 31,15 | 11 |
| 2023 | 592 | 15.420,85 | 26,05 | 13 |
| 2024 | 635 | 19.148,91 | 30,16 | 15 |
| totale | 6.378 | 178.642,35 | 28,01 | 147 |