| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 61 | 1.718,84 | 28,18 | 1 |
| 2008 | 106 | 2.664,85 | 25,14 | 3 |
| 2009 | 1.764 | 38.532,48 | 21,84 | 7 |
| 2010 | 1.734 | 30.097,06 | 17,36 | 5 |
| 2011 | 1.827 | 34.792,48 | 19,04 | 8 |
| 2012 | 1.367 | 28.681,93 | 20,98 | 9 |
| 2013 | 531 | 12.630,60 | 23,79 | 8 |
| 2014 | 599 | 16.839,80 | 28,11 | 11 |
| 2015 | 788 | 22.569,71 | 28,64 | 9 |
| 2016 | 647 | 19.512,47 | 30,16 | 7 |
| 2017 | 994 | 27.327,40 | 27,49 | 11 |
| 2018 | 868 | 25.188,09 | 29,02 | 12 |
| 2019 | 673 | 19.405,41 | 28,83 | 11 |
| 2020 | 602 | 16.725,14 | 27,78 | 12 |
| 2021 | 468 | 19.296,02 | 41,23 | 12 |
| 2022 | 427 | 11.915,03 | 27,90 | 11 |
| 2023 | 559 | 15.108,72 | 27,03 | 12 |
| 2024 | 575 | 14.865,23 | 25,85 | 13 |
| totale | 14.590 | 357.871,26 | 24,53 | 162 |