| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 210 | 5.054,34 | 24,07 | 2 |
| 2007 | 326 | 10.707,46 | 32,84 | 2 |
| 2008 | 370 | 14.819,26 | 40,05 | 3 |
| 2009 | 314 | 13.030,56 | 41,50 | 4 |
| 2010 | 306 | 10.296,30 | 33,65 | 4 |
| 2011 | 262 | 9.743,77 | 37,19 | 3 |
| 2012 | 279 | 11.290,42 | 40,47 | 4 |
| 2013 | 268 | 10.680,86 | 39,85 | 4 |
| 2014 | 142 | 4.615,04 | 32,50 | 3 |
| 2015 | 142 | 4.412,68 | 31,08 | 3 |
| 2016 | 154 | 4.587,13 | 29,79 | 3 |
| 2017 | 150 | 4.379,58 | 29,20 | 3 |
| 2018 | 146 | 4.464,65 | 30,58 | 3 |
| 2019 | 154 | 4.521,83 | 29,36 | 3 |
| 2020 | 137 | 4.391,27 | 32,05 | 3 |
| 2021 | 122 | 4.251,47 | 34,85 | 3 |
| 2022 | 72 | 2.163,35 | 30,05 | 2 |
| 2023 | 76 | 2.294,04 | 30,18 | 3 |
| 2024 | 114 | 3.781,75 | 33,17 | 5 |
| totale | 3.744 | 129.485,76 | 34,58 | 60 |