| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 341 | 5.753,47 | 16,87 | 3 |
| 2007 | 242 | 5.487,72 | 22,68 | 2 |
| 2008 | 300 | 6.649,40 | 22,16 | 2 |
| 2009 | 424 | 8.158,18 | 19,24 | 3 |
| 2010 | 417 | 7.494,93 | 17,97 | 4 |
| 2011 | 383 | 6.569,03 | 17,15 | 2 |
| 2012 | 335 | 5.958,45 | 17,79 | 3 |
| 2013 | 335 | 5.700,23 | 17,02 | 3 |
| 2014 | 94 | 2.393,89 | 25,47 | 2 |
| 2015 | 88 | 2.328,99 | 26,47 | 2 |
| 2016 | 79 | 2.430,81 | 30,77 | 2 |
| 2017 | 78 | 1.937,39 | 24,84 | 2 |
| 2018 | 86 | 2.085,98 | 24,26 | 2 |
| 2019 | 79 | 1.896,44 | 24,01 | 2 |
| 2020 | 71 | 1.493,30 | 21,03 | 3 |
| 2021 | 60 | 1.089,57 | 18,16 | 3 |
| 2022 | 67 | 2.059,52 | 30,74 | 3 |
| 2023 | 24 | 494,54 | 20,61 | 2 |
| 2024 | 31 | 554,73 | 17,89 | 2 |
| totale | 3.534 | 70.536,57 | 19,96 | 47 |