| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 165 | 2.846,58 | 17,25 | 1 |
| 2007 | 22 | 588,15 | 26,73 | 1 |
| 2008 | 58 | 2.067,98 | 35,65 | 2 |
| 2009 | 148 | 2.700,28 | 18,25 | 2 |
| 2010 | 161 | 3.044,09 | 18,91 | 3 |
| 2011 | 1.558 | 25.284,95 | 16,23 | 1 |
| 2012 | 1.451 | 23.771,37 | 16,38 | 3 |
| 2013 | 541 | 10.233,83 | 18,92 | 5 |
| 2014 | 380 | 12.453,02 | 32,77 | 3 |
| 2015 | 271 | 7.222,64 | 26,65 | 2 |
| 2016 | 485 | 13.066,82 | 26,94 | 4 |
| 2017 | 359 | 13.446,01 | 37,45 | 4 |
| 2018 | 337 | 12.965,74 | 38,47 | 5 |
| 2019 | 348 | 13.208,10 | 37,95 | 5 |
| 2020 | 329 | 12.580,05 | 38,24 | 5 |
| 2021 | 287 | 11.339,77 | 39,51 | 5 |
| 2022 | 242 | 7.481,07 | 30,91 | 3 |
| 2023 | 190 | 5.337,59 | 28,09 | 3 |
| 2024 | 255 | 8.268,27 | 32,42 | 7 |
| totale | 7.587 | 187.906,31 | 24,77 | 64 |