| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 151 | 1.745,41 | 11,56 | 1 |
| 2009 | 86 | 1.517,76 | 17,65 | 2 |
| 2010 | 8 | 159,38 | 19,92 | 1 |
| 2011 | 32 | 856,39 | 26,76 | 2 |
| 2012 | 1 | 13,85 | 13,85 | 1 |
| 2013 | 9 | 56,23 | 6,25 | 1 |
| 2014 | 13 | 227,07 | 17,47 | 1 |
| 2015 | 6 | 36,25 | 6,04 | 1 |
| 2016 | 9 | 81,17 | 9,02 | 1 |
| 2017 | 11 | 100,42 | 9,13 | 1 |
| 2018 | 15 | 80,95 | 5,40 | 1 |
| 2019 | 7 | 88,54 | 12,65 | 1 |
| 2020 | 9 | 96,31 | 10,70 | 1 |
| 2021 | 6 | 70,42 | 11,74 | 1 |
| 2022 | 11 | 174,09 | 15,83 | 1 |
| 2023 | 168 | 2.826,09 | 16,82 | 2 |
| 2024 | 226 | 3.689,23 | 16,32 | 3 |
| totale | 768 | 11.819,56 | 15,39 | 22 |