| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 355 | 5.428,84 | 15,29 | 2 |
| 2007 | 113 | 2.172,34 | 19,22 | 1 |
| 2009 | 100 | 1.788,53 | 17,89 | 2 |
| 2010 | 117 | 1.589,00 | 13,58 | 2 |
| 2011 | 90 | 1.039,61 | 11,55 | 1 |
| 2012 | 254 | 3.542,42 | 13,95 | 2 |
| 2013 | 150 | 2.275,11 | 15,17 | 2 |
| 2014 | 95 | 1.881,82 | 19,81 | 2 |
| 2015 | 54 | 1.308,69 | 24,24 | 2 |
| 2016 | 48 | 1.042,32 | 21,72 | 2 |
| 2017 | 5 | 92,31 | 18,46 | 1 |
| 2018 | 4 | 46,66 | 11,67 | 1 |
| 2019 | 11 | 370,69 | 33,70 | 1 |
| 2020 | 9 | 196,60 | 21,84 | 1 |
| 2021 | 41 | 736,47 | 17,96 | 2 |
| 2022 | 40 | 698,02 | 17,45 | 2 |
| 2023 | 87 | 1.295,63 | 14,89 | 2 |
| 2024 | 118 | 1.768,32 | 14,99 | 2 |
| totale | 1.691 | 27.273,38 | 16,13 | 30 |