| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 105 | 2.759,33 | 26,28 | 2 |
| 2007 | 99 | 2.204,97 | 22,27 | 1 |
| 2008 | 53 | 1.174,54 | 22,16 | 2 |
| 2009 | 46 | 1.407,79 | 30,60 | 2 |
| 2010 | 32 | 664,23 | 20,76 | 2 |
| 2011 | 26 | 457,35 | 17,59 | 1 |
| 2012 | 27 | 639,02 | 23,67 | 2 |
| 2013 | 6 | 190,04 | 31,67 | 1 |
| 2014 | 11 | 228,30 | 20,75 | 1 |
| 2015 | 7 | 106,53 | 15,22 | 1 |
| 2016 | 3 | 91,89 | 30,63 | 2 |
| 2017 | 5 | 133,06 | 26,61 | 1 |
| 2018 | 11 | 287,98 | 26,18 | 1 |
| 2019 | 10 | 197,31 | 19,73 | 1 |
| 2020 | 10 | 255,90 | 25,59 | 1 |
| 2021 | 7 | 222,82 | 31,83 | 1 |
| 2022 | 9 | 296,84 | 32,98 | 1 |
| 2023 | 12 | 461,90 | 38,49 | 2 |
| 2024 | 31 | 1.119,97 | 36,13 | 3 |
| totale | 510 | 12.899,77 | 25,29 | 28 |