| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 168 | 4.109,72 | 24,46 | 2 |
| 2008 | 89 | 2.695,74 | 30,29 | 1 |
| 2009 | 94 | 3.374,52 | 35,90 | 2 |
| 2010 | 77 | 2.302,30 | 29,90 | 2 |
| 2011 | 70 | 2.287,01 | 32,67 | 1 |
| 2012 | 87 | 2.314,37 | 26,60 | 2 |
| 2013 | 108 | 3.050,00 | 28,24 | 3 |
| 2014 | 108 | 3.801,48 | 35,20 | 4 |
| 2015 | 95 | 3.125,70 | 32,90 | 3 |
| 2016 | 92 | 3.088,08 | 33,57 | 2 |
| 2017 | 111 | 2.729,40 | 24,59 | 2 |
| 2018 | 121 | 3.634,52 | 30,04 | 2 |
| 2019 | 116 | 3.644,37 | 31,42 | 2 |
| 2020 | 106 | 3.361,07 | 31,71 | 2 |
| 2021 | 111 | 2.906,42 | 26,18 | 2 |
| 2022 | 23 | 601,63 | 26,16 | 1 |
| 2023 | 0 | 0,00 | 0,00 | 1 |
| 2024 | 0 | 0,00 | 0,00 | 1 |
| totale | 1.576 | 47.026,33 | 29,84 | 35 |