| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 129 | 2.110,55 | 16,36 | 1 |
| 2007 | 145 | 3.032,59 | 20,91 | 1 |
| 2008 | 162 | 3.439,50 | 21,23 | 1 |
| 2009 | 145 | 2.866,78 | 19,77 | 2 |
| 2010 | 183 | 3.361,64 | 18,37 | 2 |
| 2011 | 133 | 2.399,88 | 18,04 | 1 |
| 2012 | 228 | 4.710,42 | 20,66 | 2 |
| 2013 | 219 | 5.037,93 | 23,00 | 2 |
| 2014 | 223 | 5.715,10 | 25,63 | 3 |
| 2015 | 216 | 5.122,79 | 23,72 | 2 |
| 2016 | 206 | 5.006,56 | 24,30 | 2 |
| 2017 | 204 | 4.828,77 | 23,67 | 2 |
| 2018 | 182 | 4.267,33 | 23,45 | 2 |
| 2019 | 188 | 4.595,26 | 24,44 | 2 |
| 2020 | 186 | 4.641,36 | 24,95 | 2 |
| 2021 | 167 | 4.030,75 | 24,14 | 2 |
| 2022 | 157 | 3.858,86 | 24,58 | 2 |
| 2023 | 172 | 4.095,96 | 23,81 | 3 |
| 2024 | 194 | 4.553,53 | 23,47 | 3 |
| totale | 3.439 | 77.675,56 | 22,59 | 37 |