| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 352 | 8.733,37 | 24,81 | 2 |
| 2007 | 117 | 3.655,73 | 31,25 | 2 |
| 2008 | 116 | 3.739,83 | 32,24 | 2 |
| 2009 | 162 | 5.403,27 | 33,35 | 3 |
| 2010 | 151 | 3.659,80 | 24,24 | 2 |
| 2011 | 50 | 1.056,47 | 21,13 | 2 |
| 2012 | 260 | 6.379,03 | 24,53 | 4 |
| 2013 | 325 | 7.158,71 | 22,03 | 4 |
| 2014 | 313 | 9.491,11 | 30,32 | 4 |
| 2015 | 307 | 9.022,14 | 29,39 | 6 |
| 2016 | 395 | 12.138,12 | 30,73 | 6 |
| 2017 | 403 | 12.718,75 | 31,56 | 6 |
| 2018 | 380 | 11.279,86 | 29,68 | 6 |
| 2019 | 336 | 10.137,85 | 30,17 | 5 |
| 2020 | 394 | 11.732,26 | 29,78 | 6 |
| 2021 | 391 | 10.918,71 | 27,93 | 5 |
| 2022 | 275 | 7.812,09 | 28,41 | 4 |
| 2023 | 286 | 7.448,74 | 26,04 | 6 |
| 2024 | 315 | 8.554,03 | 27,16 | 7 |
| totale | 5.328 | 151.039,87 | 28,35 | 82 |