| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 179 | 3.917,08 | 21,88 | 3 |
| 2007 | 74 | 2.332,18 | 31,52 | 2 |
| 2008 | 67 | 2.297,70 | 34,29 | 2 |
| 2009 | 144 | 3.321,21 | 23,06 | 3 |
| 2010 | 135 | 2.818,75 | 20,88 | 3 |
| 2011 | 82 | 2.163,15 | 26,38 | 2 |
| 2012 | 146 | 3.348,82 | 22,94 | 4 |
| 2013 | 154 | 3.254,25 | 21,13 | 4 |
| 2014 | 170 | 4.395,24 | 25,85 | 4 |
| 2015 | 176 | 4.527,56 | 25,72 | 4 |
| 2016 | 169 | 4.017,40 | 23,77 | 5 |
| 2017 | 174 | 4.454,79 | 25,60 | 5 |
| 2018 | 195 | 4.727,89 | 24,25 | 5 |
| 2019 | 185 | 4.606,91 | 24,90 | 5 |
| 2020 | 171 | 4.355,18 | 25,47 | 5 |
| 2021 | 176 | 4.584,68 | 26,05 | 6 |
| 2022 | 139 | 4.439,63 | 31,94 | 5 |
| 2023 | 164 | 4.544,40 | 27,71 | 6 |
| 2024 | 180 | 4.927,18 | 27,37 | 6 |
| totale | 2.880 | 73.034,00 | 25,36 | 79 |