| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 607 | 8.454,09 | 13,93 | 2 |
| 2007 | 358 | 5.570,31 | 15,56 | 2 |
| 2008 | 466 | 7.378,28 | 15,83 | 3 |
| 2009 | 298 | 5.183,72 | 17,40 | 4 |
| 2010 | 353 | 5.127,97 | 14,53 | 6 |
| 2011 | 334 | 4.761,82 | 14,26 | 3 |
| 2012 | 497 | 6.723,63 | 13,53 | 8 |
| 2013 | 690 | 7.630,93 | 11,06 | 8 |
| 2014 | 638 | 9.476,76 | 14,85 | 6 |
| 2015 | 308 | 3.797,25 | 12,33 | 5 |
| 2016 | 430 | 6.275,32 | 14,59 | 5 |
| 2017 | 485 | 7.808,75 | 16,10 | 6 |
| 2018 | 342 | 5.715,62 | 16,71 | 6 |
| 2019 | 274 | 4.814,23 | 17,57 | 5 |
| 2020 | 213 | 4.559,00 | 21,40 | 5 |
| 2021 | 184 | 5.544,75 | 30,13 | 5 |
| 2022 | 156 | 5.214,33 | 33,43 | 4 |
| 2023 | 237 | 6.512,78 | 27,48 | 8 |
| 2024 | 266 | 6.522,93 | 24,52 | 8 |
| totale | 7.136 | 117.072,47 | 16,41 | 99 |