| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 144 | 3.885,54 | 26,98 | 2 |
| 2007 | 45 | 1.886,85 | 41,93 | 1 |
| 2008 | 50 | 2.102,62 | 42,05 | 1 |
| 2009 | 52 | 2.141,09 | 41,17 | 2 |
| 2010 | 45 | 1.467,32 | 32,61 | 2 |
| 2011 | 71 | 2.163,48 | 30,47 | 1 |
| 2012 | 63 | 1.849,42 | 29,36 | 2 |
| 2013 | 68 | 1.856,75 | 27,31 | 2 |
| 2014 | 79 | 2.891,60 | 36,60 | 2 |
| 2015 | 83 | 2.637,12 | 31,77 | 2 |
| 2016 | 63 | 2.346,52 | 37,25 | 2 |
| 2017 | 51 | 1.640,90 | 32,17 | 2 |
| 2018 | 59 | 1.663,27 | 28,19 | 2 |
| 2019 | 60 | 1.779,72 | 29,66 | 2 |
| 2020 | 50 | 1.624,00 | 32,48 | 2 |
| 2021 | 51 | 1.776,00 | 34,82 | 2 |
| 2022 | 48 | 2.133,97 | 44,46 | 2 |
| 2023 | 48 | 2.464,96 | 51,35 | 2 |
| 2024 | 39 | 2.261,93 | 58,00 | 2 |
| totale | 1.169 | 40.573,06 | 34,71 | 35 |