| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 120 | 2.246,49 | 18,72 | 2 |
| 2009 | 21 | 494,06 | 23,53 | 1 |
| 2010 | 15 | 393,40 | 26,23 | 1 |
| 2012 | 14 | 176,88 | 12,63 | 1 |
| 2013 | 24 | 265,82 | 11,08 | 2 |
| 2014 | 27 | 443,01 | 16,41 | 2 |
| 2015 | 21 | 496,53 | 23,64 | 1 |
| 2016 | 36 | 926,26 | 25,73 | 2 |
| 2017 | 28 | 511,85 | 18,28 | 2 |
| 2018 | 24 | 806,91 | 33,62 | 2 |
| 2019 | 29 | 690,44 | 23,81 | 3 |
| 2020 | 31 | 601,49 | 19,40 | 3 |
| 2021 | 27 | 407,83 | 15,10 | 3 |
| 2022 | 24 | 328,07 | 13,67 | 3 |
| 2023 | 19 | 264,06 | 13,90 | 3 |
| 2024 | 32 | 948,75 | 29,65 | 4 |
| totale | 492 | 10.001,85 | 20,33 | 35 |