| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 36 | 417,51 | 11,60 | 1 |
| 2009 | 4 | 92,44 | 23,11 | 1 |
| 2010 | 106 | 3.217,15 | 30,35 | 2 |
| 2011 | 63 | 2.575,23 | 40,88 | 1 |
| 2012 | 69 | 1.736,73 | 25,17 | 2 |
| 2013 | 154 | 3.429,74 | 22,27 | 2 |
| 2014 | 160 | 5.072,58 | 31,70 | 2 |
| 2015 | 269 | 7.023,68 | 26,11 | 3 |
| 2016 | 185 | 5.752,53 | 31,09 | 3 |
| 2017 | 143 | 4.653,43 | 32,54 | 3 |
| 2018 | 48 | 1.429,76 | 29,79 | 2 |
| 2019 | 45 | 1.096,26 | 24,36 | 2 |
| 2020 | 71 | 2.006,73 | 28,26 | 3 |
| 2021 | 312 | 7.887,79 | 25,28 | 4 |
| 2022 | 84 | 2.300,83 | 27,39 | 4 |
| 2023 | 148 | 2.901,01 | 19,60 | 4 |
| 2024 | 21 | 410,27 | 19,54 | 4 |
| totale | 1.918 | 52.003,67 | 27,11 | 43 |