| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 15 | 201,12 | 13,41 | 1 |
| 2009 | 4 | 84,57 | 21,14 | 1 |
| 2010 | 4 | 47,16 | 11,79 | 1 |
| 2012 | 1 | 31,30 | 31,30 | 1 |
| 2013 | 1 | 35,63 | 35,63 | 1 |
| 2014 | 2 | 77,48 | 38,74 | 1 |
| 2015 | 3 | 105,58 | 35,19 | 1 |
| 2016 | 5 | 120,97 | 24,19 | 1 |
| 2017 | 2 | 21,00 | 10,50 | 1 |
| 2018 | 3 | 45,54 | 15,18 | 1 |
| 2019 | 3 | 37,77 | 12,59 | 1 |
| 2020 | 3 | 51,81 | 17,27 | 1 |
| 2021 | 4 | 56,88 | 14,22 | 1 |
| 2022 | 4 | 58,78 | 14,70 | 1 |
| 2023 | 3 | 25,42 | 8,47 | 1 |
| 2024 | 2 | 26,62 | 13,31 | 1 |
| totale | 59 | 1.027,63 | 17,42 | 16 |