| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 182,28 | 11,39 | 1 |
| 2009 | 92 | 1.531,02 | 16,64 | 1 |
| 2010 | 96 | 1.322,15 | 13,77 | 1 |
| 2011 | 27 | 536,86 | 19,88 | 1 |
| 2012 | 108 | 1.667,00 | 15,44 | 2 |
| 2013 | 86 | 1.231,01 | 14,31 | 1 |
| 2014 | 87 | 1.885,19 | 21,67 | 3 |
| 2015 | 69 | 1.651,53 | 23,94 | 3 |
| 2016 | 73 | 1.893,65 | 25,94 | 3 |
| 2017 | 141 | 2.520,10 | 17,87 | 3 |
| 2018 | 136 | 2.459,86 | 18,09 | 3 |
| 2019 | 120 | 2.363,38 | 19,69 | 3 |
| 2020 | 37 | 1.209,65 | 32,69 | 3 |
| 2021 | 23 | 828,09 | 36,00 | 3 |
| 2022 | 22 | 585,41 | 26,61 | 2 |
| 2023 | 22 | 604,44 | 27,47 | 2 |
| 2024 | 32 | 811,44 | 25,36 | 2 |
| totale | 1.187 | 23.283,06 | 19,62 | 37 |