| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 203 | 3.946,11 | 19,44 | 2 |
| 2007 | 73 | 1.500,79 | 20,56 | 2 |
| 2008 | 64 | 1.570,90 | 24,55 | 2 |
| 2009 | 117 | 2.687,82 | 22,97 | 3 |
| 2010 | 116 | 2.264,79 | 19,52 | 4 |
| 2011 | 159 | 4.136,68 | 26,02 | 3 |
| 2012 | 253 | 6.043,52 | 23,89 | 4 |
| 2013 | 543 | 12.693,20 | 23,38 | 6 |
| 2014 | 581 | 16.994,90 | 29,25 | 5 |
| 2015 | 622 | 20.577,30 | 33,08 | 6 |
| 2016 | 692 | 25.713,72 | 37,16 | 5 |
| 2017 | 603 | 21.451,37 | 35,57 | 5 |
| 2018 | 640 | 22.876,11 | 35,74 | 5 |
| 2019 | 581 | 21.824,13 | 37,56 | 5 |
| 2020 | 497 | 19.980,67 | 40,20 | 5 |
| 2021 | 426 | 14.523,19 | 34,09 | 5 |
| 2022 | 364 | 14.784,45 | 40,62 | 4 |
| 2023 | 357 | 14.002,06 | 39,22 | 4 |
| 2024 | 331 | 12.764,14 | 38,56 | 4 |
| totale | 7.222 | 240.335,85 | 33,28 | 79 |