| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.091,30 | 12,99 | 1 |
| 2008 | 25 | 695,33 | 27,81 | 1 |
| 2009 | 151 | 2.438,21 | 16,15 | 2 |
| 2010 | 160 | 1.916,92 | 11,98 | 3 |
| 2011 | 77 | 742,51 | 9,64 | 1 |
| 2012 | 49 | 868,53 | 17,73 | 2 |
| 2013 | 15 | 341,88 | 22,79 | 2 |
| 2014 | 69 | 1.349,54 | 19,56 | 4 |
| 2015 | 298 | 6.861,51 | 23,03 | 4 |
| 2016 | 497 | 10.765,90 | 21,66 | 4 |
| 2017 | 512 | 11.230,21 | 21,93 | 5 |
| 2018 | 484 | 9.771,48 | 20,19 | 3 |
| 2019 | 523 | 10.386,88 | 19,86 | 3 |
| 2020 | 608 | 11.393,54 | 18,74 | 3 |
| 2021 | 386 | 6.952,85 | 18,01 | 3 |
| 2022 | 341 | 6.401,19 | 18,77 | 3 |
| 2023 | 261 | 5.219,05 | 20,00 | 3 |
| 2024 | 287 | 5.631,81 | 19,62 | 3 |
| totale | 4.827 | 94.058,64 | 19,49 | 50 |