| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 204 | 3.522,80 | 17,27 | 3 |
| 2007 | 213 | 4.248,39 | 19,95 | 1 |
| 2008 | 199 | 3.800,02 | 19,10 | 1 |
| 2009 | 97 | 1.830,70 | 18,87 | 2 |
| 2010 | 182 | 3.063,23 | 16,83 | 2 |
| 2011 | 251 | 3.976,35 | 15,84 | 1 |
| 2012 | 242 | 4.005,28 | 16,55 | 2 |
| 2013 | 230 | 3.767,11 | 16,38 | 2 |
| 2014 | 180 | 3.986,52 | 22,15 | 2 |
| 2015 | 155 | 3.617,21 | 23,34 | 2 |
| 2016 | 136 | 3.257,62 | 23,95 | 2 |
| 2017 | 139 | 3.002,99 | 21,60 | 2 |
| 2018 | 132 | 2.917,97 | 22,11 | 2 |
| 2019 | 134 | 2.962,29 | 22,11 | 2 |
| 2020 | 111 | 2.840,09 | 25,59 | 2 |
| 2021 | 103 | 2.412,88 | 23,43 | 2 |
| 2022 | 114 | 2.419,27 | 21,22 | 3 |
| 2023 | 135 | 2.836,80 | 21,01 | 3 |
| 2024 | 136 | 2.658,15 | 19,55 | 4 |
| totale | 3.093 | 61.125,67 | 19,76 | 40 |