| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 43 | 640,38 | 14,89 | 1 |
| 2009 | 82 | 2.554,93 | 31,16 | 2 |
| 2010 | 176 | 3.958,75 | 22,49 | 3 |
| 2011 | 167 | 3.384,85 | 20,27 | 2 |
| 2012 | 197 | 4.115,07 | 20,89 | 4 |
| 2013 | 229 | 4.486,30 | 19,59 | 3 |
| 2014 | 227 | 6.394,53 | 28,17 | 3 |
| 2015 | 207 | 5.654,18 | 27,31 | 3 |
| 2016 | 229 | 6.571,19 | 28,70 | 3 |
| 2017 | 194 | 5.285,30 | 27,24 | 3 |
| 2018 | 187 | 4.707,51 | 25,17 | 3 |
| 2019 | 199 | 4.760,00 | 23,92 | 3 |
| 2020 | 184 | 4.370,92 | 23,76 | 3 |
| 2021 | 180 | 4.214,86 | 23,42 | 3 |
| 2022 | 173 | 3.716,78 | 21,48 | 3 |
| 2023 | 144 | 2.970,73 | 20,63 | 3 |
| 2024 | 147 | 3.033,66 | 20,64 | 3 |
| totale | 2.965 | 70.819,94 | 23,89 | 48 |