| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 160 | 4.136,38 | 25,85 | 2 |
| 2007 | 103 | 3.344,11 | 32,47 | 1 |
| 2009 | 9 | 224,91 | 24,99 | 1 |
| 2010 | 8 | 166,22 | 20,78 | 1 |
| 2012 | 28 | 691,99 | 24,71 | 2 |
| 2013 | 16 | 490,50 | 30,66 | 2 |
| 2014 | 17 | 789,19 | 46,42 | 2 |
| 2015 | 18 | 508,49 | 28,25 | 2 |
| 2016 | 15 | 330,67 | 22,04 | 2 |
| 2017 | 21 | 494,45 | 23,55 | 2 |
| 2018 | 5 | 84,41 | 16,88 | 1 |
| 2019 | 13 | 195,18 | 15,01 | 1 |
| 2020 | 10 | 157,41 | 15,74 | 1 |
| 2021 | 11 | 203,76 | 18,52 | 1 |
| 2022 | 12 | 288,92 | 24,08 | 1 |
| 2023 | 11 | 226,28 | 20,57 | 1 |
| 2024 | 12 | 330,70 | 27,56 | 1 |
| totale | 469 | 12.663,57 | 27,00 | 24 |