| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 273 | 4.283,60 | 15,69 | 1 |
| 2007 | 262 | 5.879,49 | 22,44 | 2 |
| 2008 | 431 | 8.817,23 | 20,46 | 2 |
| 2009 | 397 | 8.025,92 | 20,22 | 3 |
| 2010 | 951 | 17.871,62 | 18,79 | 5 |
| 2011 | 1.014 | 17.102,31 | 16,87 | 3 |
| 2012 | 857 | 17.740,89 | 20,70 | 6 |
| 2013 | 1.145 | 19.502,36 | 17,03 | 6 |
| 2014 | 1.309 | 24.224,15 | 18,51 | 5 |
| 2015 | 1.304 | 23.623,70 | 18,12 | 5 |
| 2016 | 1.392 | 25.933,48 | 18,63 | 6 |
| 2017 | 884 | 19.317,95 | 21,85 | 7 |
| 2018 | 749 | 16.609,66 | 22,18 | 7 |
| 2019 | 679 | 14.594,13 | 21,49 | 7 |
| 2020 | 587 | 13.745,12 | 23,42 | 7 |
| 2021 | 568 | 15.275,77 | 26,89 | 7 |
| 2022 | 549 | 13.833,51 | 25,20 | 6 |
| 2023 | 472 | 11.409,19 | 24,17 | 7 |
| 2024 | 493 | 11.181,41 | 22,68 | 8 |
| totale | 14.316 | 288.971,49 | 20,19 | 100 |