| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 90 | 1.305,13 | 14,50 | 1 |
| 2007 | 217 | 5.512,22 | 25,40 | 1 |
| 2008 | 205 | 4.903,17 | 23,92 | 1 |
| 2009 | 270 | 6.434,88 | 23,83 | 2 |
| 2010 | 297 | 6.244,16 | 21,02 | 2 |
| 2011 | 242 | 4.995,74 | 20,64 | 1 |
| 2012 | 321 | 6.614,15 | 20,60 | 2 |
| 2013 | 318 | 6.283,59 | 19,76 | 2 |
| 2014 | 291 | 7.327,30 | 25,18 | 2 |
| 2015 | 278 | 6.849,72 | 24,64 | 2 |
| 2016 | 267 | 6.353,78 | 23,80 | 3 |
| 2017 | 278 | 6.405,14 | 23,04 | 2 |
| 2018 | 257 | 6.400,89 | 24,91 | 3 |
| 2019 | 89 | 1.464,08 | 16,45 | 1 |
| 2020 | 250 | 6.866,18 | 27,46 | 2 |
| 2021 | 233 | 6.887,69 | 29,56 | 2 |
| 2022 | 195 | 5.631,02 | 28,88 | 2 |
| 2023 | 188 | 5.100,23 | 27,13 | 2 |
| 2024 | 185 | 4.572,28 | 24,72 | 2 |
| totale | 4.471 | 106.151,35 | 23,74 | 35 |