| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 184 | 3.042,08 | 16,53 | 1 |
| 2009 | 41 | 622,25 | 15,18 | 1 |
| 2010 | 33 | 1.036,38 | 31,41 | 1 |
| 2012 | 43 | 974,63 | 22,67 | 1 |
| 2013 | 39 | 536,46 | 13,76 | 1 |
| 2014 | 52 | 1.445,50 | 27,80 | 1 |
| 2015 | 53 | 2.106,90 | 39,75 | 1 |
| 2016 | 46 | 1.527,88 | 33,21 | 1 |
| 2017 | 44 | 1.668,56 | 37,92 | 1 |
| 2018 | 45 | 1.916,07 | 42,58 | 1 |
| 2019 | 45 | 1.638,51 | 36,41 | 1 |
| 2020 | 57 | 1.677,13 | 29,42 | 2 |
| 2021 | 66 | 1.797,22 | 27,23 | 4 |
| 2022 | 62 | 1.605,69 | 25,90 | 3 |
| 2023 | 64 | 1.657,88 | 25,90 | 3 |
| 2024 | 55 | 1.489,17 | 27,08 | 3 |
| totale | 929 | 24.742,31 | 26,63 | 26 |