| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.188 | 25.062,30 | 21,10 | 3 |
| 2007 | 986 | 25.029,30 | 25,38 | 2 |
| 2008 | 1.871 | 48.083,81 | 25,70 | 2 |
| 2009 | 1.704 | 44.201,55 | 25,94 | 4 |
| 2010 | 3.255 | 64.087,18 | 19,69 | 5 |
| 2011 | 3.552 | 68.527,74 | 19,29 | 2 |
| 2012 | 2.738 | 57.095,40 | 20,85 | 6 |
| 2013 | 391 | 6.088,49 | 15,57 | 6 |
| 2014 | 329 | 5.613,10 | 17,06 | 4 |
| 2015 | 371 | 6.543,64 | 17,64 | 5 |
| 2016 | 377 | 6.193,17 | 16,43 | 5 |
| 2017 | 487 | 7.305,38 | 15,00 | 5 |
| 2018 | 395 | 5.704,50 | 14,44 | 4 |
| 2019 | 436 | 6.150,91 | 14,11 | 3 |
| 2020 | 343 | 5.773,27 | 16,83 | 3 |
| 2021 | 348 | 6.445,92 | 18,52 | 3 |
| 2022 | 288 | 5.593,36 | 19,42 | 3 |
| 2023 | 277 | 5.904,55 | 21,32 | 2 |
| 2024 | 255 | 4.516,57 | 17,71 | 4 |
| totale | 19.591 | 403.920,14 | 20,62 | 71 |