| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 22 | 279,94 | 12,72 | 1 |
| 2009 | 3 | 20,03 | 6,68 | 1 |
| 2010 | 120 | 1.720,55 | 14,34 | 2 |
| 2011 | 109 | 1.482,01 | 13,60 | 1 |
| 2012 | 114 | 1.919,38 | 16,84 | 2 |
| 2013 | 117 | 2.021,37 | 17,28 | 2 |
| 2014 | 138 | 2.533,13 | 18,36 | 2 |
| 2015 | 133 | 2.459,64 | 18,49 | 2 |
| 2016 | 2 | 39,94 | 19,97 | 1 |
| 2017 | 2 | 35,23 | 17,62 | 1 |
| 2018 | 120 | 2.584,23 | 21,54 | 2 |
| 2019 | 111 | 2.364,75 | 21,30 | 2 |
| 2020 | 107 | 2.297,51 | 21,47 | 2 |
| 2021 | 103 | 2.157,65 | 20,95 | 2 |
| 2022 | 106 | 2.379,36 | 22,45 | 2 |
| 2023 | 98 | 2.221,83 | 22,67 | 2 |
| 2024 | 103 | 2.361,75 | 22,93 | 2 |
| totale | 1.508 | 28.878,30 | 19,15 | 29 |