| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 518,91 | 22,56 | 1 |
| 2009 | 13 | 159,52 | 12,27 | 1 |
| 2010 | 153 | 6.267,01 | 40,96 | 2 |
| 2011 | 128 | 5.976,46 | 46,69 | 1 |
| 2012 | 175 | 7.345,77 | 41,98 | 4 |
| 2013 | 149 | 4.769,52 | 32,01 | 4 |
| 2014 | 107 | 4.965,90 | 46,41 | 3 |
| 2015 | 188 | 6.933,12 | 36,88 | 4 |
| 2016 | 76 | 3.815,02 | 50,20 | 2 |
| 2017 | 67 | 4.055,36 | 60,53 | 2 |
| 2018 | 106 | 4.897,79 | 46,21 | 3 |
| 2019 | 105 | 4.760,47 | 45,34 | 3 |
| 2020 | 89 | 4.084,37 | 45,89 | 3 |
| 2021 | 81 | 4.027,68 | 49,72 | 3 |
| 2022 | 92 | 4.561,62 | 49,58 | 3 |
| 2023 | 71 | 3.399,74 | 47,88 | 3 |
| 2024 | 59 | 3.080,36 | 52,21 | 3 |
| totale | 1.682 | 73.618,62 | 43,77 | 45 |