| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 148 | 2.668,26 | 18,03 | 2 |
| 2009 | 20 | 321,16 | 16,06 | 1 |
| 2010 | 14 | 344,91 | 24,64 | 2 |
| 2012 | 52 | 864,82 | 16,63 | 2 |
| 2013 | 83 | 1.051,45 | 12,67 | 2 |
| 2014 | 78 | 1.345,67 | 17,25 | 2 |
| 2015 | 58 | 1.193,73 | 20,58 | 2 |
| 2016 | 41 | 963,89 | 23,51 | 2 |
| 2017 | 49 | 1.051,92 | 21,47 | 2 |
| 2018 | 49 | 1.001,57 | 20,44 | 2 |
| 2019 | 37 | 778,37 | 21,04 | 2 |
| 2020 | 34 | 694,06 | 20,41 | 2 |
| 2021 | 30 | 597,22 | 19,91 | 2 |
| 2022 | 32 | 636,13 | 19,88 | 2 |
| 2023 | 43 | 797,01 | 18,54 | 1 |
| 2024 | 35 | 723,54 | 20,67 | 1 |
| totale | 803 | 15.033,71 | 18,72 | 29 |