| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.198 | 33.663,04 | 28,10 | 3 |
| 2007 | 859 | 29.232,74 | 34,03 | 2 |
| 2008 | 809 | 27.407,73 | 33,88 | 2 |
| 2009 | 801 | 25.129,77 | 31,37 | 3 |
| 2010 | 754 | 20.391,45 | 27,04 | 3 |
| 2011 | 685 | 21.796,74 | 31,82 | 2 |
| 2012 | 618 | 17.668,42 | 28,59 | 3 |
| 2013 | 589 | 17.366,72 | 29,49 | 3 |
| 2014 | 586 | 21.699,41 | 37,03 | 4 |
| 2015 | 565 | 21.201,97 | 37,53 | 4 |
| 2016 | 559 | 20.477,55 | 36,63 | 4 |
| 2017 | 550 | 21.902,39 | 39,82 | 4 |
| 2018 | 544 | 20.120,69 | 36,99 | 4 |
| 2019 | 518 | 20.907,72 | 40,36 | 4 |
| 2020 | 470 | 18.953,80 | 40,33 | 4 |
| 2021 | 450 | 18.716,63 | 41,59 | 4 |
| 2022 | 333 | 12.031,45 | 36,13 | 3 |
| 2023 | 313 | 11.031,16 | 35,24 | 3 |
| 2024 | 300 | 11.029,43 | 36,76 | 3 |
| totale | 11.501 | 390.728,81 | 33,97 | 62 |