| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 19 | 180,79 | 9,52 | 1 |
| 2009 | 2 | 54,65 | 27,33 | 1 |
| 2010 | 20 | 376,94 | 18,85 | 1 |
| 2012 | 10 | 212,17 | 21,22 | 1 |
| 2013 | 10 | 153,69 | 15,37 | 1 |
| 2014 | 394 | 8.960,53 | 22,74 | 4 |
| 2015 | 7 | 195,04 | 27,86 | 1 |
| 2016 | 5 | 225,64 | 45,13 | 1 |
| 2017 | 8 | 241,26 | 30,16 | 1 |
| 2018 | 8 | 196,12 | 24,52 | 1 |
| 2019 | 10 | 256,40 | 25,64 | 1 |
| 2020 | 8 | 233,94 | 29,24 | 1 |
| 2021 | 7 | 245,70 | 35,10 | 1 |
| 2022 | 6 | 184,20 | 30,70 | 1 |
| 2023 | 6 | 86,22 | 14,37 | 1 |
| 2024 | 6 | 114,33 | 19,06 | 1 |
| totale | 526 | 11.917,62 | 22,66 | 19 |