| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 462 | 11.386,42 | 24,65 | 2 |
| 2007 | 52 | 3.790,38 | 72,89 | 1 |
| 2008 | 54 | 3.407,97 | 63,11 | 1 |
| 2009 | 193 | 5.614,55 | 29,09 | 3 |
| 2010 | 715 | 12.062,65 | 16,87 | 3 |
| 2011 | 216 | 4.142,61 | 19,18 | 2 |
| 2012 | 787 | 14.678,90 | 18,65 | 4 |
| 2013 | 828 | 16.107,68 | 19,45 | 3 |
| 2014 | 868 | 21.309,57 | 24,55 | 3 |
| 2015 | 864 | 21.272,35 | 24,62 | 6 |
| 2016 | 801 | 19.689,91 | 24,58 | 8 |
| 2017 | 855 | 21.206,13 | 24,80 | 7 |
| 2018 | 634 | 16.591,70 | 26,17 | 7 |
| 2019 | 777 | 20.967,51 | 26,99 | 8 |
| 2020 | 888 | 23.158,27 | 26,08 | 7 |
| 2021 | 814 | 21.656,86 | 26,61 | 8 |
| 2022 | 758 | 21.130,04 | 27,88 | 8 |
| 2023 | 725 | 20.378,55 | 28,11 | 10 |
| 2024 | 724 | 18.241,19 | 25,20 | 11 |
| totale | 12.015 | 296.793,24 | 24,70 | 102 |