| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 93 | 1.098,54 | 11,81 | 1 |
| 2007 | 126 | 4.574,88 | 36,31 | 1 |
| 2008 | 147 | 6.013,71 | 40,91 | 1 |
| 2009 | 149 | 6.062,53 | 40,69 | 2 |
| 2010 | 159 | 5.819,01 | 36,60 | 2 |
| 2011 | 228 | 7.208,87 | 31,62 | 1 |
| 2012 | 175 | 6.377,20 | 36,44 | 2 |
| 2013 | 227 | 8.324,82 | 36,67 | 2 |
| 2014 | 264 | 13.282,56 | 50,31 | 2 |
| 2015 | 285 | 13.735,90 | 48,20 | 2 |
| 2016 | 283 | 13.791,97 | 48,73 | 3 |
| 2017 | 355 | 16.285,01 | 45,87 | 3 |
| 2018 | 392 | 17.026,58 | 43,44 | 3 |
| 2019 | 421 | 16.394,37 | 38,94 | 3 |
| 2020 | 412 | 16.366,85 | 39,73 | 2 |
| 2021 | 369 | 14.316,61 | 38,80 | 2 |
| 2022 | 335 | 15.395,26 | 45,96 | 2 |
| 2023 | 286 | 12.867,95 | 44,99 | 2 |
| 2024 | 290 | 11.299,05 | 38,96 | 3 |
| totale | 4.996 | 206.241,67 | 41,28 | 39 |