| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 178 | 3.608,57 | 20,27 | 1 |
| 2008 | 43 | 1.202,30 | 27,96 | 1 |
| 2009 | 51 | 1.128,36 | 22,12 | 1 |
| 2010 | 45 | 906,41 | 20,14 | 1 |
| 2011 | 19 | 371,92 | 19,57 | 1 |
| 2012 | 63 | 1.021,12 | 16,21 | 1 |
| 2013 | 57 | 1.144,13 | 20,07 | 1 |
| 2014 | 50 | 1.444,66 | 28,89 | 1 |
| 2015 | 50 | 1.260,52 | 25,21 | 1 |
| 2016 | 56 | 1.740,61 | 31,08 | 1 |
| 2017 | 526 | 12.422,90 | 23,62 | 2 |
| 2018 | 528 | 12.676,83 | 24,01 | 2 |
| 2019 | 503 | 11.801,31 | 23,46 | 2 |
| 2020 | 533 | 13.244,15 | 24,85 | 2 |
| 2021 | 401 | 10.002,25 | 24,94 | 2 |
| 2022 | 423 | 10.194,18 | 24,10 | 2 |
| 2023 | 413 | 9.883,20 | 23,93 | 2 |
| 2024 | 344 | 8.205,61 | 23,85 | 2 |
| totale | 4.283 | 102.259,03 | 23,88 | 26 |