| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 63 | 1.399,69 | 22,22 | 1 |
| 2008 | 12 | 204,72 | 17,06 | 1 |
| 2009 | 15 | 421,20 | 28,08 | 2 |
| 2010 | 12 | 260,09 | 21,67 | 2 |
| 2012 | 7 | 247,70 | 35,39 | 1 |
| 2013 | 8 | 266,77 | 33,35 | 2 |
| 2014 | 17 | 527,64 | 31,04 | 2 |
| 2015 | 19 | 715,18 | 37,64 | 2 |
| 2016 | 15 | 630,50 | 42,03 | 2 |
| 2017 | 14 | 428,85 | 30,63 | 2 |
| 2018 | 13 | 497,29 | 38,25 | 2 |
| 2019 | 10 | 279,32 | 27,93 | 2 |
| 2020 | 20 | 565,06 | 28,25 | 2 |
| 2021 | 19 | 594,28 | 31,28 | 2 |
| 2022 | 21 | 619,03 | 29,48 | 2 |
| 2023 | 19 | 541,49 | 28,50 | 2 |
| 2024 | 12 | 310,23 | 25,85 | 2 |
| totale | 296 | 8.509,04 | 28,75 | 31 |