| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 433 | 9.138,90 | 21,11 | 5 |
| 2007 | 78 | 1.656,15 | 21,23 | 2 |
| 2008 | 103 | 2.829,82 | 27,47 | 2 |
| 2009 | 172 | 4.069,75 | 23,66 | 5 |
| 2010 | 197 | 4.515,29 | 22,92 | 4 |
| 2011 | 151 | 3.214,39 | 21,29 | 3 |
| 2012 | 193 | 5.119,26 | 26,52 | 6 |
| 2013 | 222 | 5.932,15 | 26,72 | 6 |
| 2014 | 267 | 9.035,21 | 33,84 | 5 |
| 2015 | 263 | 8.539,45 | 32,47 | 5 |
| 2016 | 256 | 9.166,46 | 35,81 | 5 |
| 2017 | 279 | 9.022,51 | 32,34 | 5 |
| 2018 | 284 | 9.542,15 | 33,60 | 5 |
| 2019 | 281 | 8.522,92 | 30,33 | 6 |
| 2020 | 263 | 9.093,33 | 34,58 | 6 |
| 2021 | 265 | 8.446,47 | 31,87 | 6 |
| 2022 | 179 | 6.024,16 | 33,65 | 5 |
| 2023 | 199 | 5.583,67 | 28,06 | 5 |
| 2024 | 212 | 6.152,36 | 29,02 | 6 |
| totale | 4.297 | 125.604,40 | 29,23 | 92 |