| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 196 | 3.462,90 | 17,67 | 2 |
| 2007 | 8 | 298,68 | 37,34 | 1 |
| 2008 | 15 | 468,17 | 31,21 | 1 |
| 2009 | 48 | 1.431,44 | 29,82 | 2 |
| 2010 | 30 | 639,75 | 21,33 | 1 |
| 2011 | 9 | 130,95 | 14,55 | 1 |
| 2012 | 40 | 853,76 | 21,34 | 2 |
| 2013 | 29 | 521,86 | 18,00 | 1 |
| 2014 | 182 | 4.652,14 | 25,56 | 3 |
| 2015 | 173 | 4.474,73 | 25,87 | 3 |
| 2016 | 176 | 4.400,40 | 25,00 | 3 |
| 2017 | 182 | 4.535,08 | 24,92 | 3 |
| 2018 | 163 | 4.519,97 | 27,73 | 3 |
| 2019 | 152 | 4.350,50 | 28,62 | 3 |
| 2020 | 139 | 3.972,85 | 28,58 | 3 |
| 2021 | 140 | 4.761,78 | 34,01 | 3 |
| 2022 | 26 | 1.092,25 | 42,01 | 2 |
| 2023 | 46 | 1.801,07 | 39,15 | 4 |
| 2024 | 79 | 2.022,37 | 25,60 | 4 |
| totale | 1.833 | 48.390,65 | 26,40 | 45 |