| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 210 | 2.624,81 | 12,50 | 1 |
| 2007 | 73 | 1.178,17 | 16,14 | 1 |
| 2008 | 235 | 5.968,01 | 25,40 | 1 |
| 2009 | 125 | 3.098,11 | 24,78 | 2 |
| 2010 | 350 | 3.344,72 | 9,56 | 3 |
| 2011 | 56 | 879,44 | 15,70 | 1 |
| 2012 | 255 | 2.937,35 | 11,52 | 3 |
| 2013 | 94 | 1.689,80 | 17,98 | 3 |
| 2014 | 95 | 1.859,51 | 19,57 | 5 |
| 2015 | 128 | 2.288,23 | 17,88 | 4 |
| 2016 | 222 | 3.519,03 | 15,85 | 4 |
| 2017 | 118 | 2.386,23 | 20,22 | 4 |
| 2018 | 114 | 2.188,97 | 19,20 | 4 |
| 2019 | 216 | 4.279,16 | 19,81 | 4 |
| 2020 | 128 | 2.487,01 | 19,43 | 4 |
| 2021 | 91 | 1.735,13 | 19,07 | 4 |
| 2022 | 80 | 1.755,53 | 21,94 | 4 |
| 2023 | 58 | 979,64 | 16,89 | 3 |
| 2024 | 59 | 682,85 | 11,57 | 3 |
| totale | 2.707 | 45.881,70 | 16,95 | 58 |