| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 172 | 4.078,61 | 23,71 | 2 |
| 2007 | 79 | 3.429,03 | 43,41 | 2 |
| 2008 | 69 | 3.468,98 | 50,28 | 2 |
| 2009 | 94 | 3.297,95 | 35,08 | 3 |
| 2010 | 129 | 4.562,83 | 35,37 | 3 |
| 2011 | 58 | 1.410,07 | 24,31 | 2 |
| 2012 | 149 | 4.948,81 | 33,21 | 4 |
| 2013 | 143 | 4.657,17 | 32,57 | 4 |
| 2014 | 140 | 6.959,27 | 49,71 | 4 |
| 2015 | 133 | 5.809,22 | 43,68 | 4 |
| 2016 | 127 | 5.942,92 | 46,79 | 4 |
| 2017 | 130 | 6.187,94 | 47,60 | 3 |
| 2018 | 126 | 5.119,70 | 40,63 | 3 |
| 2019 | 137 | 6.341,92 | 46,29 | 3 |
| 2020 | 138 | 6.966,50 | 50,48 | 3 |
| 2021 | 177 | 9.732,09 | 54,98 | 4 |
| 2022 | 163 | 8.173,65 | 50,15 | 5 |
| 2023 | 221 | 10.845,38 | 49,07 | 4 |
| 2024 | 208 | 10.743,62 | 51,65 | 4 |
| totale | 2.593 | 112.675,66 | 43,45 | 63 |