| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 107 | 2.395,04 | 22,38 | 3 |
| 2007 | 88 | 2.304,47 | 26,19 | 2 |
| 2008 | 74 | 1.823,34 | 24,64 | 2 |
| 2009 | 47 | 1.025,96 | 21,83 | 2 |
| 2010 | 2 | 17,84 | 8,92 | 1 |
| 2011 | 43 | 811,72 | 18,88 | 1 |
| 2012 | 6 | 148,04 | 24,67 | 1 |
| 2013 | 12 | 214,97 | 17,91 | 2 |
| 2014 | 10 | 264,06 | 26,41 | 2 |
| 2015 | 13 | 332,54 | 25,58 | 2 |
| 2016 | 11 | 184,38 | 16,76 | 2 |
| 2017 | 9 | 163,22 | 18,14 | 2 |
| 2018 | 10 | 267,62 | 26,76 | 2 |
| 2019 | 17 | 369,39 | 21,73 | 2 |
| 2020 | 58 | 1.324,14 | 22,83 | 3 |
| 2021 | 73 | 1.468,62 | 20,12 | 3 |
| 2022 | 14 | 336,44 | 24,03 | 2 |
| 2023 | 18 | 405,74 | 22,54 | 2 |
| 2024 | 15 | 411,27 | 27,42 | 2 |
| totale | 627 | 14.268,80 | 22,76 | 38 |