| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 68 | 1.719,30 | 25,28 | 1 |
| 2007 | 26 | 1.103,00 | 42,42 | 1 |
| 2009 | 22 | 698,61 | 31,76 | 1 |
| 2010 | 29 | 956,33 | 32,98 | 2 |
| 2011 | 96 | 2.317,63 | 24,14 | 2 |
| 2012 | 124 | 4.485,53 | 36,17 | 3 |
| 2013 | 148 | 4.648,89 | 31,41 | 4 |
| 2014 | 193 | 6.909,45 | 35,80 | 5 |
| 2015 | 176 | 6.791,34 | 38,59 | 5 |
| 2016 | 166 | 7.837,68 | 47,21 | 4 |
| 2017 | 154 | 6.900,69 | 44,81 | 4 |
| 2018 | 166 | 7.647,96 | 46,07 | 4 |
| 2019 | 169 | 8.580,82 | 50,77 | 4 |
| 2020 | 156 | 8.553,57 | 54,83 | 4 |
| 2021 | 135 | 7.373,69 | 54,62 | 4 |
| 2022 | 156 | 8.875,68 | 56,90 | 4 |
| 2023 | 133 | 8.209,07 | 61,72 | 4 |
| 2024 | 137 | 7.576,81 | 55,31 | 4 |
| totale | 2.254 | 101.186,05 | 44,89 | 60 |