| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 44 | 792,70 | 18,02 | 3 |
| 2007 | 8 | 310,99 | 38,87 | 1 |
| 2009 | 18 | 393,52 | 21,86 | 2 |
| 2010 | 144 | 2.463,89 | 17,11 | 3 |
| 2011 | 162 | 2.615,87 | 16,15 | 2 |
| 2012 | 82 | 1.854,33 | 22,61 | 2 |
| 2013 | 87 | 2.136,76 | 24,56 | 2 |
| 2014 | 27 | 803,92 | 29,77 | 1 |
| 2015 | 21 | 561,40 | 26,73 | 1 |
| 2016 | 20 | 638,80 | 31,94 | 1 |
| 2017 | 16 | 234,38 | 14,65 | 1 |
| 2018 | 14 | 313,82 | 22,42 | 1 |
| 2019 | 11 | 354,62 | 32,24 | 1 |
| 2020 | 9 | 176,84 | 19,65 | 1 |
| 2021 | 8 | 133,91 | 16,74 | 1 |
| 2022 | 12 | 162,76 | 13,56 | 1 |
| 2023 | 9 | 101,41 | 11,27 | 1 |
| 2024 | 7 | 86,94 | 12,42 | 1 |
| totale | 699 | 14.136,86 | 20,22 | 26 |