| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 436 | 9.157,34 | 21,00 | 3 |
| 2007 | 70 | 1.412,48 | 20,18 | 2 |
| 2008 | 128 | 3.154,24 | 24,64 | 3 |
| 2009 | 171 | 6.520,30 | 38,13 | 5 |
| 2010 | 203 | 6.328,52 | 31,17 | 5 |
| 2011 | 56 | 1.784,73 | 31,87 | 3 |
| 2012 | 190 | 4.521,61 | 23,80 | 4 |
| 2013 | 312 | 8.624,25 | 27,64 | 6 |
| 2014 | 601 | 16.689,26 | 27,77 | 8 |
| 2015 | 414 | 13.181,91 | 31,84 | 6 |
| 2016 | 602 | 20.925,06 | 34,76 | 9 |
| 2017 | 786 | 25.396,38 | 32,31 | 10 |
| 2018 | 689 | 23.283,18 | 33,79 | 12 |
| 2019 | 528 | 20.685,37 | 39,18 | 13 |
| 2020 | 522 | 20.874,07 | 39,99 | 16 |
| 2021 | 462 | 19.212,65 | 41,59 | 16 |
| 2022 | 601 | 19.356,10 | 32,21 | 15 |
| 2023 | 1.121 | 29.803,21 | 26,59 | 17 |
| 2024 | 1.061 | 29.808,08 | 28,09 | 17 |
| totale | 8.953 | 280.718,74 | 31,35 | 170 |