| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 88 | 1.891,75 | 21,50 | 2 |
| 2007 | 20 | 601,82 | 30,09 | 1 |
| 2008 | 21 | 519,23 | 24,73 | 1 |
| 2009 | 46 | 1.131,91 | 24,61 | 3 |
| 2010 | 42 | 1.080,81 | 25,73 | 3 |
| 2012 | 51 | 1.064,90 | 20,88 | 3 |
| 2013 | 52 | 913,61 | 17,57 | 3 |
| 2014 | 40 | 1.370,74 | 34,27 | 2 |
| 2015 | 34 | 669,27 | 19,68 | 2 |
| 2016 | 1 | 9,10 | 9,10 | 1 |
| 2017 | 41 | 1.211,27 | 29,54 | 2 |
| 2018 | 44 | 793,52 | 18,03 | 2 |
| 2019 | 52 | 1.025,47 | 19,72 | 2 |
| 2020 | 57 | 1.181,96 | 20,74 | 2 |
| 2021 | 61 | 1.204,02 | 19,74 | 2 |
| 2022 | 9 | 162,34 | 18,04 | 1 |
| 2023 | 68 | 1.333,30 | 19,61 | 2 |
| 2024 | 75 | 1.452,94 | 19,37 | 2 |
| totale | 802 | 17.617,96 | 21,97 | 36 |