| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 161 | 1.590,03 | 9,88 | 1 |
| 2009 | 51 | 828,04 | 16,24 | 1 |
| 2010 | 38 | 560,15 | 14,74 | 1 |
| 2011 | 37 | 594,56 | 16,07 | 1 |
| 2012 | 48 | 682,54 | 14,22 | 2 |
| 2013 | 33 | 500,65 | 15,17 | 2 |
| 2014 | 21 | 498,18 | 23,72 | 2 |
| 2015 | 19 | 527,12 | 27,74 | 3 |
| 2016 | 7 | 256,71 | 36,67 | 1 |
| 2017 | 9 | 235,64 | 26,18 | 1 |
| 2018 | 6 | 138,60 | 23,10 | 1 |
| 2019 | 9 | 197,00 | 21,89 | 1 |
| 2020 | 3 | 196,33 | 65,44 | 2 |
| 2021 | 20 | 560,84 | 28,04 | 2 |
| 2022 | 58 | 1.191,55 | 20,54 | 4 |
| 2023 | 45 | 894,47 | 19,88 | 6 |
| 2024 | 44 | 899,61 | 20,45 | 6 |
| totale | 609 | 10.352,02 | 17,00 | 37 |