| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 976,97 | 15,27 | 1 |
| 2009 | 6 | 163,96 | 27,33 | 2 |
| 2010 | 9 | 127,34 | 14,15 | 2 |
| 2011 | 8 | 167,20 | 20,90 | 1 |
| 2012 | 15 | 250,30 | 16,69 | 2 |
| 2013 | 22 | 324,34 | 14,74 | 2 |
| 2014 | 34 | 729,43 | 21,45 | 2 |
| 2015 | 48 | 1.103,39 | 22,99 | 2 |
| 2016 | 52 | 1.268,08 | 24,39 | 2 |
| 2017 | 50 | 1.063,53 | 21,27 | 2 |
| 2018 | 45 | 949,90 | 21,11 | 2 |
| 2019 | 48 | 948,83 | 19,77 | 2 |
| 2020 | 54 | 1.128,39 | 20,90 | 3 |
| 2021 | 51 | 1.182,33 | 23,18 | 3 |
| 2022 | 12 | 191,42 | 15,95 | 2 |
| 2023 | 13 | 320,76 | 24,67 | 3 |
| 2024 | 110 | 2.533,81 | 23,03 | 4 |
| totale | 641 | 13.429,98 | 20,95 | 37 |