| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 203 | 4.209,13 | 20,73 | 3 |
| 2007 | 62 | 1.628,59 | 26,27 | 3 |
| 2008 | 14 | 366,18 | 26,16 | 1 |
| 2009 | 107 | 3.836,38 | 35,85 | 3 |
| 2010 | 142 | 3.243,77 | 22,84 | 4 |
| 2011 | 71 | 1.804,82 | 25,42 | 2 |
| 2012 | 79 | 2.051,24 | 25,97 | 3 |
| 2013 | 96 | 1.991,54 | 20,75 | 2 |
| 2014 | 159 | 4.247,33 | 26,71 | 4 |
| 2015 | 306 | 7.768,77 | 25,39 | 5 |
| 2016 | 334 | 8.996,44 | 26,94 | 5 |
| 2017 | 445 | 13.070,69 | 29,37 | 5 |
| 2018 | 546 | 15.043,51 | 27,55 | 6 |
| 2019 | 551 | 14.891,34 | 27,03 | 6 |
| 2020 | 530 | 14.733,86 | 27,80 | 7 |
| 2021 | 589 | 18.115,72 | 30,76 | 6 |
| 2022 | 547 | 17.783,55 | 32,51 | 5 |
| 2023 | 613 | 23.500,01 | 38,34 | 7 |
| 2024 | 640 | 18.569,71 | 29,02 | 9 |
| totale | 6.034 | 175.852,58 | 29,14 | 86 |