| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 117 | 2.392,99 | 20,45 | 2 |
| 2008 | 22 | 746,06 | 33,91 | 1 |
| 2009 | 41 | 1.258,29 | 30,69 | 2 |
| 2010 | 33 | 981,52 | 29,74 | 2 |
| 2011 | 17 | 445,96 | 26,23 | 2 |
| 2012 | 98 | 1.827,60 | 18,65 | 3 |
| 2013 | 242 | 3.690,46 | 15,25 | 4 |
| 2014 | 232 | 4.831,23 | 20,82 | 3 |
| 2015 | 133 | 3.165,89 | 23,80 | 3 |
| 2016 | 171 | 4.183,19 | 24,46 | 4 |
| 2017 | 167 | 4.811,13 | 28,81 | 5 |
| 2018 | 149 | 3.976,89 | 26,69 | 5 |
| 2019 | 114 | 3.387,81 | 29,72 | 5 |
| 2020 | 124 | 3.618,92 | 29,18 | 5 |
| 2021 | 131 | 4.019,09 | 30,68 | 6 |
| 2022 | 129 | 3.732,57 | 28,93 | 6 |
| 2023 | 126 | 3.360,89 | 26,67 | 6 |
| 2024 | 126 | 4.053,47 | 32,17 | 6 |
| totale | 2.172 | 54.483,96 | 25,08 | 70 |