| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 286 | 6.481,86 | 22,66 | 2 |
| 2009 | 183 | 4.892,66 | 26,74 | 3 |
| 2010 | 231 | 5.892,50 | 25,51 | 3 |
| 2011 | 224 | 5.523,49 | 24,66 | 2 |
| 2012 | 278 | 6.741,84 | 24,25 | 3 |
| 2013 | 298 | 6.660,60 | 22,35 | 3 |
| 2014 | 293 | 8.801,11 | 30,04 | 3 |
| 2015 | 163 | 5.143,69 | 31,56 | 3 |
| 2016 | 122 | 4.102,80 | 33,63 | 3 |
| 2017 | 111 | 3.498,01 | 31,51 | 3 |
| 2018 | 117 | 3.695,30 | 31,58 | 3 |
| 2019 | 123 | 3.521,87 | 28,63 | 3 |
| 2020 | 137 | 3.844,45 | 28,06 | 3 |
| 2021 | 128 | 3.451,92 | 26,97 | 3 |
| 2022 | 52 | 1.395,74 | 26,84 | 2 |
| 2023 | 212 | 5.885,27 | 27,76 | 3 |
| 2024 | 188 | 5.479,20 | 29,14 | 3 |
| totale | 3.146 | 85.012,31 | 27,02 | 48 |