| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 259 | 4.540,46 | 17,53 | 1 |
| 2007 | 173 | 3.852,19 | 22,27 | 2 |
| 2008 | 181 | 4.361,03 | 24,09 | 2 |
| 2009 | 262 | 4.929,29 | 18,81 | 3 |
| 2010 | 260 | 4.455,34 | 17,14 | 3 |
| 2011 | 184 | 3.404,88 | 18,50 | 2 |
| 2012 | 279 | 4.737,07 | 16,98 | 3 |
| 2013 | 383 | 7.237,79 | 18,90 | 4 |
| 2014 | 257 | 5.347,67 | 20,81 | 3 |
| 2015 | 249 | 5.952,72 | 23,91 | 4 |
| 2016 | 288 | 6.855,82 | 23,80 | 4 |
| 2017 | 270 | 6.129,49 | 22,70 | 4 |
| 2018 | 260 | 5.987,03 | 23,03 | 4 |
| 2019 | 275 | 6.264,03 | 22,78 | 4 |
| 2020 | 278 | 6.209,17 | 22,34 | 4 |
| 2021 | 264 | 6.244,35 | 23,65 | 4 |
| 2022 | 47 | 1.666,52 | 35,46 | 3 |
| 2023 | 92 | 2.955,74 | 32,13 | 3 |
| 2024 | 243 | 5.074,49 | 20,88 | 4 |
| totale | 4.504 | 96.205,08 | 21,36 | 61 |