| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 335 | 3.972,77 | 11,86 | 1 |
| 2007 | 1 | 15,86 | 15,86 | 2 |
| 2008 | 25 | 723,35 | 28,93 | 2 |
| 2009 | 63 | 1.524,47 | 24,20 | 3 |
| 2010 | 236 | 3.027,44 | 12,83 | 3 |
| 2011 | 18 | 655,79 | 36,43 | 2 |
| 2012 | 189 | 2.406,33 | 12,73 | 2 |
| 2013 | 262 | 4.944,32 | 18,87 | 3 |
| 2014 | 265 | 5.881,24 | 22,19 | 2 |
| 2015 | 206 | 4.245,57 | 20,61 | 2 |
| 2016 | 48 | 2.221,24 | 46,28 | 2 |
| 2017 | 43 | 1.951,01 | 45,37 | 2 |
| 2018 | 49 | 1.881,76 | 38,40 | 2 |
| 2019 | 52 | 1.829,89 | 35,19 | 2 |
| 2020 | 152 | 4.997,41 | 32,88 | 3 |
| 2021 | 160 | 5.521,00 | 34,51 | 3 |
| 2022 | 155 | 5.379,82 | 34,71 | 3 |
| 2023 | 134 | 4.570,72 | 34,11 | 3 |
| 2024 | 876 | 17.575,97 | 20,06 | 4 |
| totale | 3.269 | 73.325,96 | 22,43 | 46 |