| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 207 | 3.894,12 | 18,81 | 2 |
| 2007 | 89 | 2.132,01 | 23,96 | 1 |
| 2008 | 24 | 450,26 | 18,76 | 1 |
| 2009 | 158 | 3.698,54 | 23,41 | 3 |
| 2010 | 149 | 3.037,81 | 20,39 | 3 |
| 2011 | 143 | 3.093,62 | 21,63 | 2 |
| 2012 | 168 | 4.428,02 | 26,36 | 3 |
| 2013 | 173 | 4.430,90 | 25,61 | 3 |
| 2014 | 164 | 5.266,76 | 32,11 | 3 |
| 2015 | 103 | 3.205,44 | 31,12 | 2 |
| 2016 | 155 | 5.453,65 | 35,18 | 3 |
| 2017 | 188 | 5.839,57 | 31,06 | 3 |
| 2018 | 195 | 6.643,57 | 34,07 | 3 |
| 2019 | 231 | 10.318,42 | 44,67 | 3 |
| 2020 | 162 | 5.884,74 | 36,33 | 3 |
| 2021 | 149 | 4.798,24 | 32,20 | 4 |
| 2022 | 84 | 2.399,81 | 28,57 | 3 |
| 2023 | 109 | 3.871,88 | 35,52 | 3 |
| 2024 | 109 | 3.591,40 | 32,95 | 3 |
| totale | 2.760 | 82.438,76 | 29,87 | 51 |