| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 173 | 3.171,75 | 18,33 | 2 |
| 2007 | 15 | 387,85 | 25,86 | 2 |
| 2008 | 40 | 845,70 | 21,14 | 2 |
| 2009 | 117 | 2.081,67 | 17,79 | 3 |
| 2010 | 151 | 3.015,11 | 19,97 | 3 |
| 2011 | 30 | 711,41 | 23,71 | 3 |
| 2012 | 133 | 2.471,32 | 18,58 | 4 |
| 2013 | 92 | 1.737,87 | 18,89 | 4 |
| 2014 | 87 | 2.191,87 | 25,19 | 4 |
| 2015 | 98 | 2.141,68 | 21,85 | 3 |
| 2016 | 105 | 2.149,83 | 20,47 | 3 |
| 2017 | 304 | 10.777,07 | 35,45 | 4 |
| 2018 | 409 | 16.291,92 | 39,83 | 4 |
| 2019 | 539 | 21.006,32 | 38,97 | 4 |
| 2020 | 576 | 23.197,67 | 40,27 | 5 |
| 2021 | 484 | 14.242,61 | 29,43 | 5 |
| 2022 | 480 | 14.388,34 | 29,98 | 5 |
| 2023 | 479 | 13.755,16 | 28,72 | 6 |
| 2024 | 458 | 13.871,76 | 30,29 | 6 |
| totale | 4.770 | 148.436,91 | 31,12 | 72 |