| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 507 | 13.149,06 | 25,94 | 4 |
| 2007 | 330 | 11.945,21 | 36,20 | 4 |
| 2008 | 347 | 14.557,75 | 41,95 | 6 |
| 2009 | 441 | 13.663,34 | 30,98 | 5 |
| 2010 | 280 | 9.306,58 | 33,24 | 6 |
| 2011 | 293 | 11.213,57 | 38,27 | 5 |
| 2012 | 268 | 8.927,83 | 33,31 | 5 |
| 2013 | 209 | 6.424,53 | 30,74 | 3 |
| 2014 | 284 | 10.409,78 | 36,65 | 4 |
| 2015 | 204 | 7.598,73 | 37,25 | 3 |
| 2016 | 45 | 1.474,84 | 32,77 | 3 |
| 2017 | 25 | 765,03 | 30,60 | 2 |
| 2018 | 29 | 1.013,06 | 34,93 | 3 |
| 2019 | 41 | 945,54 | 23,06 | 3 |
| 2020 | 34 | 864,19 | 25,42 | 3 |
| 2021 | 37 | 884,55 | 23,91 | 3 |
| 2022 | 25 | 755,88 | 30,24 | 2 |
| 2023 | 203 | 4.392,08 | 21,64 | 3 |
| 2024 | 201 | 3.961,22 | 19,71 | 4 |
| totale | 3.803 | 122.252,77 | 32,15 | 71 |