| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 286 | 5.639,20 | 19,72 | 1 |
| 2007 | 134 | 3.178,36 | 23,72 | 1 |
| 2008 | 128 | 2.918,24 | 22,80 | 2 |
| 2009 | 176 | 3.928,90 | 22,32 | 3 |
| 2010 | 156 | 2.785,75 | 17,86 | 3 |
| 2011 | 92 | 1.738,87 | 18,90 | 2 |
| 2012 | 146 | 2.867,26 | 19,64 | 3 |
| 2013 | 339 | 6.131,44 | 18,09 | 3 |
| 2014 | 315 | 7.231,45 | 22,96 | 3 |
| 2015 | 293 | 7.063,31 | 24,11 | 3 |
| 2016 | 248 | 6.111,52 | 24,64 | 3 |
| 2017 | 263 | 6.640,27 | 25,25 | 3 |
| 2018 | 246 | 7.577,00 | 30,80 | 3 |
| 2019 | 242 | 7.054,52 | 29,15 | 3 |
| 2020 | 247 | 7.768,07 | 31,45 | 3 |
| 2021 | 246 | 7.509,95 | 30,53 | 4 |
| 2022 | 90 | 2.402,25 | 26,69 | 3 |
| 2023 | 128 | 3.158,77 | 24,68 | 3 |
| 2024 | 135 | 2.849,37 | 21,11 | 4 |
| totale | 3.910 | 94.554,50 | 24,18 | 53 |