| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 96 | 2.754,97 | 28,70 | 2 |
| 2007 | 89 | 2.772,94 | 31,16 | 1 |
| 2008 | 83 | 2.842,58 | 34,25 | 1 |
| 2009 | 67 | 2.336,23 | 34,87 | 2 |
| 2010 | 78 | 2.145,68 | 27,51 | 2 |
| 2011 | 65 | 1.855,11 | 28,54 | 1 |
| 2012 | 72 | 2.172,44 | 30,17 | 2 |
| 2013 | 7 | 143,16 | 20,45 | 1 |
| 2014 | 9 | 322,59 | 35,84 | 1 |
| 2015 | 74 | 2.222,35 | 30,03 | 2 |
| 2016 | 93 | 3.845,74 | 41,35 | 3 |
| 2017 | 85 | 3.366,81 | 39,61 | 3 |
| 2018 | 82 | 2.914,96 | 35,55 | 3 |
| 2019 | 83 | 3.029,08 | 36,49 | 3 |
| 2020 | 73 | 2.810,87 | 38,51 | 3 |
| 2021 | 61 | 2.638,50 | 43,25 | 3 |
| 2022 | 62 | 2.399,12 | 38,70 | 3 |
| 2023 | 68 | 3.598,39 | 52,92 | 3 |
| 2024 | 79 | 2.428,68 | 30,74 | 2 |
| totale | 1.326 | 46.600,20 | 35,14 | 41 |