| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 43 | 1.196,07 | 27,82 | 1 |
| 2007 | 20 | 821,52 | 41,08 | 1 |
| 2008 | 53 | 1.460,92 | 27,56 | 2 |
| 2009 | 58 | 2.034,28 | 35,07 | 3 |
| 2010 | 79 | 1.829,21 | 23,15 | 4 |
| 2011 | 2 | 75,29 | 37,65 | 1 |
| 2012 | 73 | 1.314,96 | 18,01 | 4 |
| 2013 | 326 | 8.379,70 | 25,70 | 5 |
| 2014 | 333 | 10.390,69 | 31,20 | 5 |
| 2015 | 467 | 15.363,57 | 32,90 | 6 |
| 2016 | 561 | 18.181,81 | 32,41 | 8 |
| 2017 | 544 | 17.353,06 | 31,90 | 8 |
| 2018 | 544 | 18.189,04 | 33,44 | 9 |
| 2019 | 492 | 16.667,98 | 33,88 | 8 |
| 2020 | 498 | 18.891,94 | 37,94 | 8 |
| 2021 | 643 | 19.650,31 | 30,56 | 8 |
| 2022 | 618 | 18.239,03 | 29,51 | 8 |
| 2023 | 552 | 17.595,43 | 31,88 | 9 |
| 2024 | 546 | 17.247,46 | 31,59 | 9 |
| totale | 6.452 | 204.882,27 | 31,75 | 107 |