| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 88 | 2.471,88 | 28,09 | 1 |
| 2007 | 128 | 3.945,12 | 30,82 | 3 |
| 2008 | 197 | 6.373,10 | 32,35 | 4 |
| 2009 | 219 | 8.164,01 | 37,28 | 5 |
| 2010 | 247 | 6.773,00 | 27,42 | 5 |
| 2011 | 251 | 6.874,68 | 27,39 | 4 |
| 2012 | 278 | 7.426,96 | 26,72 | 5 |
| 2013 | 208 | 5.942,41 | 28,57 | 4 |
| 2014 | 269 | 11.809,74 | 43,90 | 6 |
| 2015 | 240 | 9.394,82 | 39,15 | 6 |
| 2016 | 175 | 5.763,23 | 32,93 | 4 |
| 2017 | 232 | 7.389,43 | 31,85 | 5 |
| 2018 | 248 | 8.994,65 | 36,27 | 6 |
| 2019 | 267 | 11.408,58 | 42,73 | 6 |
| 2020 | 227 | 10.543,27 | 46,45 | 5 |
| 2021 | 270 | 10.885,01 | 40,31 | 6 |
| 2022 | 281 | 13.015,30 | 46,32 | 7 |
| 2023 | 307 | 13.300,47 | 43,32 | 7 |
| 2024 | 335 | 13.198,65 | 39,40 | 7 |
| totale | 4.467 | 163.674,31 | 36,64 | 96 |