| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 114 | 2.079,42 | 18,24 | 3 |
| 2007 | 122 | 2.506,70 | 20,55 | 1 |
| 2008 | 91 | 2.079,11 | 22,85 | 1 |
| 2009 | 96 | 1.868,06 | 19,46 | 2 |
| 2010 | 122 | 2.141,58 | 17,55 | 2 |
| 2012 | 6 | 207,15 | 34,53 | 1 |
| 2013 | 89 | 1.551,90 | 17,44 | 3 |
| 2014 | 108 | 2.378,32 | 22,02 | 4 |
| 2015 | 116 | 2.484,95 | 21,42 | 4 |
| 2016 | 134 | 2.687,57 | 20,06 | 4 |
| 2017 | 143 | 2.736,47 | 19,14 | 4 |
| 2018 | 131 | 2.464,89 | 18,82 | 4 |
| 2019 | 150 | 2.827,07 | 18,85 | 4 |
| 2020 | 158 | 3.269,15 | 20,69 | 4 |
| 2021 | 151 | 3.261,99 | 21,60 | 4 |
| 2022 | 153 | 3.308,91 | 21,63 | 4 |
| 2023 | 150 | 2.988,99 | 19,93 | 4 |
| 2024 | 151 | 3.004,28 | 19,90 | 4 |
| totale | 2.185 | 43.846,51 | 20,07 | 57 |