| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 507 | 10.643,15 | 20,99 | 3 |
| 2007 | 153 | 4.945,24 | 32,32 | 2 |
| 2008 | 172 | 5.577,94 | 32,43 | 3 |
| 2009 | 258 | 7.561,70 | 29,31 | 4 |
| 2010 | 261 | 6.926,52 | 26,54 | 5 |
| 2011 | 138 | 4.346,65 | 31,50 | 2 |
| 2012 | 204 | 4.817,30 | 23,61 | 4 |
| 2013 | 205 | 4.461,27 | 21,76 | 3 |
| 2014 | 194 | 5.417,68 | 27,93 | 4 |
| 2015 | 206 | 5.272,81 | 25,60 | 3 |
| 2016 | 110 | 2.653,88 | 24,13 | 2 |
| 2017 | 118 | 3.662,22 | 31,04 | 2 |
| 2018 | 128 | 3.050,67 | 23,83 | 2 |
| 2019 | 139 | 3.907,35 | 28,11 | 2 |
| 2020 | 110 | 3.063,78 | 27,85 | 2 |
| 2021 | 202 | 5.882,56 | 29,12 | 3 |
| 2022 | 141 | 4.338,09 | 30,77 | 3 |
| 2023 | 137 | 4.185,79 | 30,55 | 3 |
| 2024 | 219 | 6.082,45 | 27,77 | 4 |
| totale | 3.602 | 96.797,05 | 26,87 | 56 |