| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 83 | 1.514,73 | 18,25 | 2 |
| 2007 | 15 | 485,86 | 32,39 | 1 |
| 2008 | 30 | 724,61 | 24,15 | 1 |
| 2009 | 39 | 938,15 | 24,06 | 2 |
| 2010 | 41 | 705,60 | 17,21 | 2 |
| 2011 | 21 | 498,03 | 23,72 | 1 |
| 2012 | 97 | 2.545,42 | 26,24 | 3 |
| 2013 | 101 | 2.213,19 | 21,91 | 3 |
| 2014 | 125 | 3.528,05 | 28,22 | 3 |
| 2015 | 145 | 3.541,73 | 24,43 | 3 |
| 2016 | 182 | 4.727,69 | 25,98 | 3 |
| 2017 | 409 | 9.385,50 | 22,95 | 3 |
| 2018 | 442 | 9.803,69 | 22,18 | 3 |
| 2019 | 526 | 11.485,47 | 21,84 | 3 |
| 2020 | 510 | 11.932,22 | 23,40 | 3 |
| 2021 | 577 | 12.426,77 | 21,54 | 3 |
| 2022 | 654 | 16.086,43 | 24,60 | 3 |
| 2023 | 697 | 16.291,12 | 23,37 | 5 |
| 2024 | 741 | 17.186,08 | 23,19 | 6 |
| totale | 5.435 | 126.020,34 | 23,19 | 53 |