| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 520 | 11.326,44 | 21,78 | 3 |
| 2007 | 401 | 10.415,15 | 25,97 | 2 |
| 2008 | 418 | 11.356,81 | 27,17 | 2 |
| 2009 | 548 | 14.666,31 | 26,76 | 3 |
| 2010 | 608 | 14.071,76 | 23,14 | 3 |
| 2011 | 571 | 12.344,71 | 21,62 | 5 |
| 2012 | 708 | 16.857,57 | 23,81 | 6 |
| 2013 | 654 | 14.154,40 | 21,64 | 6 |
| 2014 | 664 | 18.942,52 | 28,53 | 6 |
| 2015 | 692 | 19.486,49 | 28,16 | 6 |
| 2016 | 695 | 21.006,77 | 30,23 | 5 |
| 2017 | 670 | 20.086,12 | 29,98 | 5 |
| 2018 | 700 | 22.015,66 | 31,45 | 6 |
| 2019 | 736 | 22.197,85 | 30,16 | 6 |
| 2020 | 725 | 22.840,10 | 31,50 | 6 |
| 2021 | 716 | 20.992,11 | 29,32 | 6 |
| 2022 | 750 | 23.453,10 | 31,27 | 6 |
| 2023 | 718 | 22.435,44 | 31,25 | 6 |
| 2024 | 681 | 20.269,70 | 29,76 | 6 |
| totale | 12.175 | 338.919,01 | 27,84 | 94 |