| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 163 | 3.622,16 | 22,22 | 2 |
| 2007 | 316 | 8.955,47 | 28,34 | 1 |
| 2008 | 875 | 24.274,77 | 27,74 | 1 |
| 2009 | 557 | 14.431,82 | 25,91 | 2 |
| 2010 | 413 | 9.535,64 | 23,09 | 2 |
| 2011 | 247 | 5.700,07 | 23,08 | 1 |
| 2012 | 152 | 3.296,26 | 21,69 | 1 |
| 2013 | 128 | 2.708,72 | 21,16 | 2 |
| 2014 | 587 | 16.801,43 | 28,62 | 2 |
| 2015 | 563 | 15.571,95 | 27,66 | 2 |
| 2016 | 510 | 15.257,06 | 29,92 | 3 |
| 2017 | 501 | 14.984,24 | 29,91 | 3 |
| 2018 | 397 | 12.944,81 | 32,61 | 3 |
| 2019 | 389 | 11.527,62 | 29,63 | 3 |
| 2020 | 344 | 9.559,74 | 27,79 | 3 |
| 2021 | 291 | 8.046,04 | 27,65 | 4 |
| 2022 | 323 | 9.894,57 | 30,63 | 4 |
| 2023 | 282 | 8.538,11 | 30,28 | 4 |
| 2024 | 263 | 7.566,81 | 28,77 | 4 |
| totale | 7.301 | 203.217,29 | 27,83 | 47 |