| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 142 | 2.988,02 | 21,04 | 2 |
| 2007 | 93 | 2.289,57 | 24,62 | 2 |
| 2008 | 85 | 2.311,78 | 27,20 | 2 |
| 2009 | 98 | 2.920,42 | 29,80 | 3 |
| 2010 | 153 | 2.879,07 | 18,82 | 2 |
| 2011 | 159 | 2.913,94 | 18,33 | 2 |
| 2012 | 137 | 2.687,95 | 19,62 | 3 |
| 2013 | 140 | 2.407,72 | 17,20 | 3 |
| 2014 | 139 | 2.875,14 | 20,68 | 3 |
| 2015 | 154 | 3.580,34 | 23,25 | 4 |
| 2016 | 110 | 2.435,90 | 22,14 | 3 |
| 2017 | 98 | 2.018,03 | 20,59 | 3 |
| 2018 | 95 | 2.010,73 | 21,17 | 3 |
| 2019 | 98 | 1.930,39 | 19,70 | 3 |
| 2020 | 140 | 3.498,03 | 24,99 | 4 |
| 2021 | 99 | 2.786,77 | 28,15 | 3 |
| 2022 | 171 | 4.683,47 | 27,39 | 3 |
| 2023 | 194 | 4.811,92 | 24,80 | 3 |
| 2024 | 362 | 8.493,65 | 23,46 | 5 |
| totale | 2.667 | 60.522,84 | 22,69 | 56 |