| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 547 | 12.979,01 | 23,73 | 4 |
| 2007 | 366 | 11.917,83 | 32,56 | 3 |
| 2008 | 539 | 14.025,38 | 26,02 | 5 |
| 2009 | 696 | 15.919,57 | 22,87 | 6 |
| 2010 | 742 | 14.316,85 | 19,29 | 6 |
| 2011 | 634 | 13.322,39 | 21,01 | 4 |
| 2012 | 828 | 17.616,32 | 21,28 | 7 |
| 2013 | 828 | 43.735,14 | 52,82 | 6 |
| 2014 | 875 | 22.208,95 | 25,38 | 6 |
| 2015 | 848 | 21.642,38 | 25,52 | 7 |
| 2016 | 902 | 20.821,61 | 23,08 | 6 |
| 2017 | 903 | 20.584,09 | 22,80 | 7 |
| 2018 | 901 | 20.193,17 | 22,41 | 7 |
| 2019 | 917 | 22.728,52 | 24,79 | 7 |
| 2020 | 895 | 21.655,56 | 24,20 | 7 |
| 2021 | 842 | 20.521,16 | 24,37 | 7 |
| 2022 | 809 | 20.037,71 | 24,77 | 8 |
| 2023 | 733 | 17.641,78 | 24,07 | 7 |
| 2024 | 721 | 17.130,47 | 23,76 | 7 |
| totale | 14.526 | 368.997,89 | 25,40 | 117 |