| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 203 | 4.417,85 | 21,76 | 1 |
| 2007 | 46 | 1.203,42 | 26,16 | 1 |
| 2008 | 72 | 2.158,40 | 29,98 | 3 |
| 2009 | 74 | 1.938,78 | 26,20 | 2 |
| 2010 | 108 | 2.291,29 | 21,22 | 3 |
| 2011 | 17 | 376,97 | 22,17 | 1 |
| 2012 | 112 | 2.756,17 | 24,61 | 5 |
| 2013 | 226 | 5.341,41 | 23,63 | 5 |
| 2014 | 149 | 4.526,02 | 30,38 | 4 |
| 2015 | 100 | 3.124,20 | 31,24 | 3 |
| 2016 | 95 | 3.116,01 | 32,80 | 3 |
| 2017 | 171 | 5.099,89 | 29,82 | 3 |
| 2018 | 171 | 5.021,58 | 29,37 | 4 |
| 2019 | 162 | 4.997,17 | 30,85 | 4 |
| 2020 | 161 | 4.731,65 | 29,39 | 4 |
| 2021 | 136 | 4.153,98 | 30,54 | 4 |
| 2022 | 143 | 4.563,92 | 31,92 | 5 |
| 2023 | 136 | 4.203,70 | 30,91 | 7 |
| 2024 | 158 | 4.576,75 | 28,97 | 6 |
| totale | 2.440 | 68.599,16 | 28,11 | 68 |