| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 170 | 3.320,77 | 19,53 | 2 |
| 2007 | 116 | 2.455,37 | 21,17 | 1 |
| 2008 | 136 | 3.133,35 | 23,04 | 3 |
| 2009 | 899 | 16.952,58 | 18,86 | 2 |
| 2010 | 449 | 7.562,69 | 16,84 | 2 |
| 2011 | 365 | 6.144,11 | 16,83 | 1 |
| 2012 | 231 | 4.881,12 | 21,13 | 4 |
| 2013 | 208 | 3.850,56 | 18,51 | 3 |
| 2014 | 214 | 4.962,63 | 23,19 | 3 |
| 2015 | 203 | 5.236,77 | 25,80 | 3 |
| 2016 | 193 | 5.013,66 | 25,98 | 3 |
| 2017 | 181 | 4.406,19 | 24,34 | 3 |
| 2018 | 179 | 3.773,76 | 21,08 | 3 |
| 2019 | 144 | 3.014,74 | 20,94 | 3 |
| 2020 | 131 | 2.675,57 | 20,42 | 3 |
| 2021 | 156 | 4.151,84 | 26,61 | 4 |
| 2022 | 165 | 4.425,11 | 26,82 | 4 |
| 2023 | 140 | 4.052,40 | 28,95 | 4 |
| 2024 | 147 | 3.980,02 | 27,07 | 5 |
| totale | 4.427 | 93.993,24 | 21,23 | 56 |