| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 314 | 7.050,95 | 22,46 | 4 |
| 2007 | 151 | 5.854,54 | 38,77 | 1 |
| 2008 | 214 | 7.144,62 | 33,39 | 3 |
| 2009 | 232 | 5.959,40 | 25,69 | 4 |
| 2010 | 210 | 4.799,41 | 22,85 | 4 |
| 2011 | 188 | 4.321,89 | 22,99 | 3 |
| 2012 | 185 | 4.834,01 | 26,13 | 3 |
| 2013 | 250 | 4.984,70 | 19,94 | 5 |
| 2014 | 250 | 6.146,19 | 24,58 | 4 |
| 2015 | 256 | 7.007,38 | 27,37 | 3 |
| 2016 | 290 | 7.120,64 | 24,55 | 4 |
| 2017 | 288 | 6.579,33 | 22,84 | 4 |
| 2018 | 91 | 2.870,40 | 31,54 | 3 |
| 2019 | 87 | 2.268,90 | 26,08 | 2 |
| 2020 | 81 | 2.463,91 | 30,42 | 2 |
| 2021 | 92 | 2.383,25 | 25,90 | 3 |
| 2022 | 85 | 2.313,40 | 27,22 | 3 |
| 2023 | 97 | 2.663,62 | 27,46 | 3 |
| 2024 | 96 | 1.807,49 | 18,83 | 3 |
| totale | 3.457 | 88.574,03 | 25,62 | 61 |