| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 481 | 6.375,32 | 13,25 | 2 |
| 2007 | 287 | 4.980,80 | 17,35 | 2 |
| 2008 | 509 | 8.393,96 | 16,49 | 3 |
| 2009 | 518 | 9.041,27 | 17,45 | 3 |
| 2010 | 517 | 7.866,85 | 15,22 | 3 |
| 2011 | 504 | 8.274,86 | 16,42 | 3 |
| 2012 | 521 | 8.667,94 | 16,64 | 3 |
| 2013 | 356 | 6.036,56 | 16,96 | 4 |
| 2014 | 357 | 7.652,05 | 21,43 | 4 |
| 2015 | 422 | 9.144,67 | 21,67 | 4 |
| 2016 | 333 | 5.695,94 | 17,10 | 3 |
| 2017 | 351 | 5.888,55 | 16,78 | 3 |
| 2018 | 315 | 5.081,34 | 16,13 | 3 |
| 2019 | 347 | 5.543,77 | 15,98 | 3 |
| 2020 | 354 | 6.372,01 | 18,00 | 3 |
| 2021 | 301 | 5.801,15 | 19,27 | 3 |
| 2022 | 27 | 569,51 | 21,09 | 2 |
| 2023 | 37 | 829,82 | 22,43 | 3 |
| 2024 | 126 | 2.499,22 | 19,84 | 4 |
| totale | 6.663 | 114.715,59 | 17,22 | 58 |