| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 27 | 809,28 | 29,97 | 1 |
| 2008 | 54 | 1.571,42 | 29,10 | 1 |
| 2009 | 142 | 2.951,50 | 20,79 | 2 |
| 2010 | 52 | 1.181,93 | 22,73 | 2 |
| 2011 | 47 | 1.645,69 | 35,01 | 1 |
| 2012 | 104 | 2.443,42 | 23,49 | 2 |
| 2013 | 97 | 2.637,07 | 27,19 | 2 |
| 2014 | 86 | 2.847,91 | 33,12 | 2 |
| 2015 | 57 | 2.381,59 | 41,78 | 2 |
| 2016 | 72 | 2.790,93 | 38,76 | 2 |
| 2017 | 81 | 2.561,12 | 31,62 | 2 |
| 2018 | 67 | 1.873,32 | 27,96 | 2 |
| 2019 | 74 | 2.707,84 | 36,59 | 3 |
| 2020 | 63 | 2.491,58 | 39,55 | 3 |
| 2021 | 90 | 2.844,65 | 31,61 | 3 |
| 2022 | 84 | 2.848,98 | 33,92 | 3 |
| 2023 | 100 | 3.042,71 | 30,43 | 3 |
| 2024 | 65 | 2.338,01 | 35,97 | 3 |
| totale | 1.362 | 41.968,95 | 30,81 | 39 |