| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 53 | 938,37 | 17,71 | 1 |
| 2009 | 42 | 936,92 | 22,31 | 2 |
| 2010 | 65 | 1.073,27 | 16,51 | 2 |
| 2011 | 113 | 1.956,25 | 17,31 | 1 |
| 2012 | 132 | 2.305,06 | 17,46 | 2 |
| 2013 | 122 | 2.233,47 | 18,31 | 2 |
| 2014 | 132 | 2.634,09 | 19,96 | 2 |
| 2015 | 121 | 2.615,06 | 21,61 | 2 |
| 2016 | 137 | 2.927,64 | 21,37 | 2 |
| 2017 | 131 | 2.860,82 | 21,84 | 2 |
| 2018 | 138 | 3.137,46 | 22,74 | 2 |
| 2019 | 138 | 3.053,91 | 22,13 | 2 |
| 2020 | 132 | 3.233,43 | 24,50 | 2 |
| 2021 | 142 | 3.467,02 | 24,42 | 2 |
| 2022 | 110 | 3.218,73 | 29,26 | 2 |
| 2023 | 106 | 2.731,14 | 25,77 | 2 |
| 2024 | 100 | 2.543,35 | 25,43 | 2 |
| totale | 1.914 | 41.865,99 | 21,87 | 32 |