| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 66 | 1.117,64 | 16,93 | 3 |
| 2007 | 31 | 676,32 | 21,82 | 3 |
| 2009 | 77 | 1.613,03 | 20,95 | 3 |
| 2010 | 42 | 850,41 | 20,25 | 3 |
| 2011 | 82 | 1.421,25 | 17,33 | 3 |
| 2012 | 172 | 2.776,44 | 16,14 | 6 |
| 2013 | 183 | 2.296,06 | 12,55 | 5 |
| 2014 | 160 | 2.629,48 | 16,43 | 4 |
| 2015 | 209 | 3.616,43 | 17,30 | 4 |
| 2016 | 100 | 2.089,52 | 20,90 | 3 |
| 2017 | 154 | 3.357,31 | 21,80 | 4 |
| 2018 | 130 | 3.142,18 | 24,17 | 4 |
| 2019 | 149 | 3.307,94 | 22,20 | 4 |
| 2020 | 142 | 2.857,81 | 20,13 | 5 |
| 2021 | 188 | 3.487,04 | 18,55 | 6 |
| 2022 | 120 | 2.371,39 | 19,76 | 5 |
| 2023 | 130 | 2.154,61 | 16,57 | 5 |
| 2024 | 153 | 2.398,74 | 15,68 | 7 |
| totale | 2.288 | 42.163,60 | 18,43 | 77 |