| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 13 | 202,33 | 15,56 | 1 |
| 2009 | 8 | 153,02 | 19,13 | 1 |
| 2010 | 9 | 127,31 | 14,15 | 1 |
| 2012 | 15 | 260,61 | 17,37 | 2 |
| 2013 | 82 | 863,62 | 10,53 | 2 |
| 2014 | 9 | 195,07 | 21,67 | 1 |
| 2015 | 108 | 1.838,96 | 17,03 | 3 |
| 2016 | 9 | 210,00 | 23,33 | 1 |
| 2017 | 5 | 93,98 | 18,80 | 1 |
| 2018 | 4 | 37,29 | 9,32 | 1 |
| 2019 | 32 | 584,44 | 18,26 | 2 |
| 2020 | 53 | 927,88 | 17,51 | 3 |
| 2021 | 64 | 1.414,95 | 22,11 | 4 |
| 2022 | 61 | 1.226,84 | 20,11 | 4 |
| 2023 | 5 | 57,84 | 11,57 | 3 |
| 2024 | 8 | 213,82 | 26,73 | 3 |
| totale | 485 | 8.407,96 | 17,34 | 33 |