| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 60 | 1.725,09 | 28,75 | 2 |
| 2007 | 9 | 134,97 | 15,00 | 1 |
| 2008 | 15 | 246,41 | 16,43 | 1 |
| 2009 | 11 | 172,73 | 15,70 | 2 |
| 2010 | 84 | 1.340,81 | 15,96 | 3 |
| 2011 | 11 | 400,05 | 36,37 | 1 |
| 2012 | 9 | 180,37 | 20,04 | 3 |
| 2013 | 10 | 89,16 | 8,92 | 5 |
| 2014 | 2 | 49,99 | 25,00 | 4 |
| 2015 | 3 | 91,34 | 30,45 | 3 |
| 2016 | 6 | 203,24 | 33,87 | 3 |
| 2017 | 8 | 142,67 | 17,83 | 3 |
| 2018 | 4 | 90,77 | 22,69 | 3 |
| 2019 | 1 | 32,74 | 32,74 | 3 |
| 2020 | 7 | 98,05 | 14,01 | 4 |
| 2021 | 9 | 70,93 | 7,88 | 4 |
| 2022 | 1 | 54,93 | 54,93 | 2 |
| 2023 | 5 | 7,51 | 1,50 | 5 |
| 2024 | 14 | 63,93 | 4,57 | 6 |
| totale | 269 | 5.195,69 | 19,31 | 58 |