| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 220 | 4.937,40 | 22,44 | 2 |
| 2007 | 49 | 1.811,32 | 36,97 | 1 |
| 2008 | 103 | 3.454,40 | 33,54 | 2 |
| 2009 | 133 | 4.123,99 | 31,01 | 4 |
| 2010 | 143 | 3.341,87 | 23,37 | 3 |
| 2011 | 39 | 1.311,57 | 33,63 | 1 |
| 2012 | 126 | 2.827,55 | 22,44 | 3 |
| 2013 | 62 | 1.514,71 | 24,43 | 2 |
| 2014 | 64 | 1.821,36 | 28,46 | 2 |
| 2015 | 59 | 1.811,33 | 30,70 | 2 |
| 2016 | 120 | 3.354,00 | 27,95 | 3 |
| 2017 | 142 | 4.212,51 | 29,67 | 3 |
| 2018 | 144 | 4.069,82 | 28,26 | 3 |
| 2019 | 162 | 4.268,28 | 26,35 | 3 |
| 2020 | 140 | 3.765,78 | 26,90 | 3 |
| 2021 | 131 | 3.506,32 | 26,77 | 3 |
| 2022 | 216 | 5.248,49 | 24,30 | 3 |
| 2023 | 159 | 4.747,73 | 29,86 | 4 |
| 2024 | 164 | 4.670,26 | 28,48 | 5 |
| totale | 2.376 | 64.798,69 | 27,27 | 52 |