| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 173 | 3.592,82 | 20,77 | 3 |
| 2007 | 1 | 85,32 | 85,32 | 1 |
| 2009 | 9 | 168,33 | 18,70 | 2 |
| 2010 | 46 | 1.213,95 | 26,39 | 2 |
| 2012 | 57 | 1.431,66 | 25,12 | 2 |
| 2013 | 51 | 1.055,54 | 20,70 | 2 |
| 2014 | 50 | 1.425,81 | 28,52 | 2 |
| 2015 | 55 | 1.640,82 | 29,83 | 2 |
| 2016 | 64 | 1.901,50 | 29,71 | 2 |
| 2017 | 32 | 848,34 | 26,51 | 2 |
| 2018 | 30 | 798,69 | 26,62 | 2 |
| 2019 | 35 | 815,71 | 23,31 | 2 |
| 2020 | 38 | 925,94 | 24,37 | 2 |
| 2021 | 30 | 715,07 | 23,84 | 2 |
| 2022 | 38 | 892,40 | 23,48 | 2 |
| 2023 | 64 | 1.414,12 | 22,10 | 2 |
| 2024 | 51 | 1.204,17 | 23,61 | 2 |
| totale | 824 | 20.130,19 | 24,43 | 34 |