| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 176 | 3.178,10 | 18,06 | 2 |
| 2007 | 141 | 3.211,46 | 22,78 | 1 |
| 2008 | 155 | 3.707,59 | 23,92 | 1 |
| 2009 | 160 | 3.479,37 | 21,75 | 3 |
| 2010 | 173 | 3.623,81 | 20,95 | 3 |
| 2011 | 145 | 2.932,68 | 20,23 | 1 |
| 2012 | 149 | 3.043,75 | 20,43 | 3 |
| 2013 | 153 | 2.908,20 | 19,01 | 3 |
| 2014 | 145 | 3.596,89 | 24,81 | 3 |
| 2015 | 131 | 2.947,45 | 22,50 | 3 |
| 2016 | 138 | 3.174,24 | 23,00 | 3 |
| 2017 | 124 | 2.920,01 | 23,55 | 3 |
| 2018 | 126 | 2.663,70 | 21,14 | 3 |
| 2019 | 114 | 2.446,12 | 21,46 | 3 |
| 2020 | 109 | 2.918,37 | 26,77 | 3 |
| 2021 | 112 | 2.922,67 | 26,10 | 3 |
| 2022 | 109 | 3.115,23 | 28,58 | 3 |
| 2023 | 115 | 3.495,67 | 30,40 | 5 |
| 2024 | 105 | 3.189,26 | 30,37 | 5 |
| totale | 2.580 | 59.474,57 | 23,05 | 54 |