| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 554 | 11.626,81 | 20,99 | 1 |
| 2007 | 165 | 3.377,19 | 20,47 | 1 |
| 2008 | 304 | 5.389,86 | 17,73 | 2 |
| 2009 | 575 | 12.321,64 | 21,43 | 4 |
| 2010 | 643 | 11.227,26 | 17,46 | 3 |
| 2011 | 391 | 5.998,27 | 15,34 | 2 |
| 2012 | 566 | 9.359,83 | 16,54 | 3 |
| 2013 | 555 | 8.162,11 | 14,71 | 2 |
| 2014 | 534 | 10.084,88 | 18,89 | 2 |
| 2015 | 668 | 12.394,52 | 18,55 | 3 |
| 2016 | 666 | 13.416,54 | 20,14 | 2 |
| 2017 | 629 | 12.155,29 | 19,32 | 2 |
| 2018 | 778 | 17.138,76 | 22,03 | 4 |
| 2019 | 899 | 22.050,88 | 24,53 | 4 |
| 2020 | 1.080 | 28.466,15 | 26,36 | 5 |
| 2021 | 1.015 | 24.601,46 | 24,24 | 5 |
| 2022 | 901 | 21.627,40 | 24,00 | 4 |
| 2023 | 915 | 23.442,06 | 25,62 | 5 |
| 2024 | 942 | 22.633,30 | 24,03 | 7 |
| totale | 12.780 | 275.474,21 | 21,56 | 61 |