| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 351 | 6.599,53 | 18,80 | 4 |
| 2007 | 241 | 5.883,80 | 24,41 | 3 |
| 2008 | 455 | 11.500,44 | 25,28 | 4 |
| 2009 | 161 | 3.594,89 | 22,33 | 3 |
| 2010 | 209 | 4.228,17 | 20,23 | 4 |
| 2011 | 218 | 4.094,36 | 18,78 | 2 |
| 2012 | 220 | 5.052,28 | 22,96 | 4 |
| 2013 | 497 | 9.559,83 | 19,24 | 4 |
| 2014 | 487 | 10.949,94 | 22,48 | 5 |
| 2015 | 473 | 10.531,44 | 22,27 | 5 |
| 2016 | 494 | 11.347,01 | 22,97 | 4 |
| 2017 | 753 | 14.581,92 | 19,37 | 5 |
| 2018 | 719 | 14.353,05 | 19,96 | 5 |
| 2019 | 786 | 15.630,27 | 19,89 | 5 |
| 2020 | 802 | 17.707,81 | 22,08 | 5 |
| 2021 | 818 | 18.885,11 | 23,09 | 6 |
| 2022 | 683 | 15.911,73 | 23,30 | 5 |
| 2023 | 689 | 15.049,77 | 21,84 | 5 |
| 2024 | 710 | 14.694,87 | 20,70 | 5 |
| totale | 9.766 | 210.156,22 | 21,52 | 83 |