| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 15 | 343,78 | 22,92 | 1 |
| 2007 | 108 | 3.874,90 | 35,88 | 1 |
| 2008 | 122 | 6.632,64 | 54,37 | 1 |
| 2009 | 138 | 6.967,39 | 50,49 | 2 |
| 2010 | 16 | 303,82 | 18,99 | 1 |
| 2012 | 16 | 275,85 | 17,24 | 1 |
| 2013 | 22 | 389,89 | 17,72 | 1 |
| 2014 | 15 | 361,42 | 24,09 | 1 |
| 2015 | 15 | 406,15 | 27,08 | 1 |
| 2016 | 15 | 370,50 | 24,70 | 1 |
| 2017 | 11 | 468,01 | 42,55 | 1 |
| 2018 | 18 | 586,13 | 32,56 | 1 |
| 2019 | 19 | 632,89 | 33,31 | 1 |
| 2020 | 18 | 590,43 | 32,80 | 1 |
| 2021 | 19 | 703,88 | 37,05 | 2 |
| 2022 | 33 | 866,54 | 26,26 | 2 |
| 2023 | 19 | 452,07 | 23,79 | 1 |
| 2024 | 19 | 556,73 | 29,30 | 1 |
| totale | 638 | 24.783,02 | 38,84 | 21 |