| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 55 | 745,98 | 13,56 | 1 |
| 2009 | 117 | 1.876,82 | 16,04 | 3 |
| 2010 | 166 | 2.170,15 | 13,07 | 3 |
| 2011 | 22 | 595,39 | 27,06 | 2 |
| 2012 | 226 | 2.588,76 | 11,45 | 3 |
| 2013 | 185 | 2.339,53 | 12,65 | 3 |
| 2014 | 180 | 2.510,73 | 13,95 | 3 |
| 2015 | 162 | 2.567,02 | 15,85 | 3 |
| 2016 | 50 | 987,20 | 19,74 | 1 |
| 2017 | 39 | 774,44 | 19,86 | 1 |
| 2018 | 28 | 466,95 | 16,68 | 2 |
| 2019 | 27 | 658,60 | 24,39 | 2 |
| 2020 | 22 | 589,76 | 26,81 | 2 |
| 2021 | 13 | 433,91 | 33,38 | 2 |
| 2022 | 12 | 548,67 | 45,72 | 2 |
| 2023 | 14 | 654,31 | 46,74 | 2 |
| 2024 | 22 | 649,84 | 29,54 | 3 |
| totale | 1.340 | 21.158,06 | 15,79 | 38 |