| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 211 | 3.168,28 | 15,02 | 2 |
| 2007 | 333 | 8.472,78 | 25,44 | 1 |
| 2008 | 694 | 15.097,29 | 21,75 | 1 |
| 2009 | 200 | 4.400,60 | 22,00 | 2 |
| 2010 | 141 | 2.508,46 | 17,79 | 2 |
| 2011 | 69 | 1.054,73 | 15,29 | 1 |
| 2012 | 80 | 1.124,17 | 14,05 | 2 |
| 2013 | 101 | 1.429,18 | 14,15 | 2 |
| 2014 | 112 | 1.885,24 | 16,83 | 2 |
| 2015 | 74 | 1.245,07 | 16,83 | 2 |
| 2016 | 21 | 516,47 | 24,59 | 1 |
| 2017 | 52 | 845,57 | 16,26 | 2 |
| 2018 | 82 | 1.403,81 | 17,12 | 3 |
| 2019 | 105 | 1.746,91 | 16,64 | 3 |
| 2020 | 123 | 2.167,54 | 17,62 | 3 |
| 2021 | 152 | 2.513,31 | 16,53 | 3 |
| 2022 | 156 | 2.419,16 | 15,51 | 3 |
| 2023 | 202 | 2.944,35 | 14,58 | 3 |
| 2024 | 188 | 2.745,82 | 14,61 | 3 |
| totale | 3.096 | 57.688,74 | 18,63 | 41 |