| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 414 | 8.368,84 | 20,21 | 2 |
| 2007 | 99 | 3.058,97 | 30,90 | 2 |
| 2008 | 217 | 5.312,32 | 24,48 | 2 |
| 2009 | 231 | 5.615,86 | 24,31 | 3 |
| 2010 | 262 | 5.426,24 | 20,71 | 3 |
| 2011 | 217 | 4.307,59 | 19,85 | 2 |
| 2012 | 344 | 7.821,93 | 22,74 | 3 |
| 2013 | 378 | 7.804,77 | 20,65 | 3 |
| 2014 | 329 | 8.122,96 | 24,69 | 3 |
| 2015 | 93 | 2.496,69 | 26,85 | 2 |
| 2016 | 87 | 2.848,51 | 32,74 | 2 |
| 2017 | 225 | 6.630,71 | 29,47 | 4 |
| 2018 | 228 | 6.590,33 | 28,90 | 4 |
| 2019 | 219 | 6.328,75 | 28,90 | 4 |
| 2020 | 232 | 7.011,19 | 30,22 | 4 |
| 2021 | 218 | 6.346,89 | 29,11 | 5 |
| 2022 | 97 | 3.236,26 | 33,36 | 4 |
| 2023 | 106 | 3.173,52 | 29,94 | 5 |
| 2024 | 108 | 3.512,82 | 32,53 | 6 |
| totale | 4.104 | 104.015,15 | 25,34 | 63 |