| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 146 | 4.918,14 | 33,69 | 2 |
| 2007 | 92 | 2.375,56 | 25,82 | 1 |
| 2008 | 192 | 4.528,20 | 23,58 | 1 |
| 2009 | 200 | 4.419,88 | 22,10 | 3 |
| 2010 | 351 | 11.284,40 | 32,15 | 3 |
| 2011 | 212 | 6.837,83 | 32,25 | 1 |
| 2012 | 360 | 12.981,17 | 36,06 | 3 |
| 2013 | 337 | 11.124,53 | 33,01 | 3 |
| 2014 | 319 | 8.614,66 | 27,01 | 3 |
| 2015 | 319 | 8.513,38 | 26,69 | 3 |
| 2016 | 298 | 8.024,17 | 26,93 | 3 |
| 2017 | 290 | 8.396,20 | 28,95 | 3 |
| 2018 | 282 | 6.999,24 | 24,82 | 3 |
| 2019 | 281 | 7.185,08 | 25,57 | 3 |
| 2020 | 271 | 7.714,87 | 28,47 | 4 |
| 2021 | 252 | 7.172,52 | 28,46 | 4 |
| 2022 | 239 | 6.520,35 | 27,28 | 5 |
| 2023 | 232 | 6.019,93 | 25,95 | 5 |
| 2024 | 235 | 5.323,32 | 22,65 | 5 |
| totale | 4.908 | 138.953,43 | 28,31 | 58 |