| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 309 | 7.738,53 | 25,04 | 2 |
| 2007 | 136 | 4.881,49 | 35,89 | 2 |
| 2008 | 138 | 3.798,64 | 27,53 | 2 |
| 2009 | 188 | 4.735,14 | 25,19 | 3 |
| 2010 | 221 | 4.629,73 | 20,95 | 4 |
| 2011 | 121 | 2.731,51 | 22,57 | 3 |
| 2012 | 370 | 8.476,76 | 22,91 | 7 |
| 2013 | 439 | 10.345,03 | 23,56 | 6 |
| 2014 | 470 | 13.305,04 | 28,31 | 6 |
| 2015 | 478 | 13.809,30 | 28,89 | 6 |
| 2016 | 433 | 12.700,48 | 29,33 | 6 |
| 2017 | 356 | 10.437,70 | 29,32 | 6 |
| 2018 | 315 | 8.913,31 | 28,30 | 6 |
| 2019 | 382 | 13.371,63 | 35,00 | 7 |
| 2020 | 365 | 13.997,53 | 38,35 | 8 |
| 2021 | 403 | 14.624,93 | 36,29 | 8 |
| 2022 | 466 | 17.456,99 | 37,46 | 8 |
| 2023 | 480 | 16.885,41 | 35,18 | 8 |
| 2024 | 520 | 18.748,91 | 36,06 | 9 |
| totale | 6.590 | 201.588,06 | 30,59 | 107 |