| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 209 | 3.681,75 | 17,62 | 2 |
| 2007 | 106 | 3.246,08 | 30,62 | 1 |
| 2008 | 97 | 2.858,40 | 29,47 | 1 |
| 2009 | 43 | 1.367,51 | 31,80 | 2 |
| 2010 | 130 | 1.896,70 | 14,59 | 2 |
| 2011 | 129 | 1.793,17 | 13,90 | 2 |
| 2012 | 135 | 2.029,47 | 15,03 | 2 |
| 2013 | 158 | 2.174,55 | 13,76 | 2 |
| 2014 | 196 | 3.575,05 | 18,24 | 2 |
| 2015 | 247 | 4.378,23 | 17,73 | 2 |
| 2016 | 264 | 4.449,98 | 16,86 | 2 |
| 2017 | 265 | 3.872,61 | 14,61 | 3 |
| 2018 | 175 | 2.172,73 | 12,42 | 3 |
| 2019 | 192 | 2.162,68 | 11,26 | 3 |
| 2020 | 203 | 2.464,90 | 12,14 | 3 |
| 2021 | 218 | 2.796,58 | 12,83 | 3 |
| 2022 | 32 | 837,62 | 26,18 | 3 |
| 2023 | 68 | 891,17 | 13,11 | 3 |
| 2024 | 48 | 812,93 | 16,94 | 3 |
| totale | 2.915 | 47.462,11 | 16,28 | 44 |