| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 262 | 5.588,23 | 21,33 | 3 |
| 2007 | 215 | 4.653,59 | 21,64 | 2 |
| 2008 | 334 | 6.422,01 | 19,23 | 3 |
| 2009 | 341 | 7.224,46 | 21,19 | 5 |
| 2010 | 327 | 6.138,99 | 18,77 | 5 |
| 2011 | 353 | 6.446,78 | 18,26 | 4 |
| 2012 | 308 | 6.410,20 | 20,81 | 4 |
| 2013 | 302 | 5.106,17 | 16,91 | 3 |
| 2014 | 319 | 6.927,22 | 21,72 | 3 |
| 2015 | 334 | 6.473,90 | 19,38 | 5 |
| 2016 | 340 | 13.308,04 | 39,14 | 6 |
| 2017 | 291 | 5.801,80 | 19,94 | 6 |
| 2018 | 269 | 5.717,79 | 21,26 | 6 |
| 2019 | 255 | 5.305,00 | 20,80 | 6 |
| 2020 | 251 | 4.695,77 | 18,71 | 6 |
| 2021 | 230 | 4.456,42 | 19,38 | 6 |
| 2022 | 32 | 475,90 | 14,87 | 3 |
| 2023 | 44 | 713,37 | 16,21 | 3 |
| 2024 | 28 | 387,95 | 13,86 | 3 |
| totale | 4.835 | 102.253,59 | 21,15 | 82 |