| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 438 | 9.667,87 | 22,07 | 2 |
| 2007 | 54 | 1.760,81 | 32,61 | 3 |
| 2008 | 122 | 3.722,29 | 30,51 | 5 |
| 2009 | 273 | 5.996,93 | 21,97 | 5 |
| 2010 | 370 | 9.397,95 | 25,40 | 10 |
| 2011 | 173 | 4.586,65 | 26,51 | 4 |
| 2012 | 395 | 10.744,02 | 27,20 | 8 |
| 2013 | 441 | 9.902,69 | 22,46 | 9 |
| 2014 | 697 | 16.436,03 | 23,58 | 11 |
| 2015 | 785 | 19.219,79 | 24,48 | 11 |
| 2016 | 774 | 20.986,77 | 27,11 | 11 |
| 2017 | 766 | 20.456,85 | 26,71 | 12 |
| 2018 | 807 | 23.345,91 | 28,93 | 12 |
| 2019 | 884 | 24.774,63 | 28,03 | 13 |
| 2020 | 842 | 24.845,32 | 29,51 | 13 |
| 2021 | 865 | 25.337,73 | 29,29 | 14 |
| 2022 | 717 | 23.036,06 | 32,13 | 13 |
| 2023 | 697 | 22.306,71 | 32,00 | 12 |
| 2024 | 723 | 20.759,74 | 28,71 | 14 |
| totale | 10.823 | 297.284,75 | 27,47 | 182 |