| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 400 | 8.103,02 | 20,26 | 2 |
| 2007 | 173 | 4.884,79 | 28,24 | 1 |
| 2009 | 63 | 1.819,05 | 28,87 | 1 |
| 2010 | 203 | 3.700,52 | 18,23 | 1 |
| 2012 | 132 | 2.936,11 | 22,24 | 1 |
| 2013 | 117 | 2.701,91 | 23,09 | 1 |
| 2014 | 97 | 3.076,70 | 31,72 | 1 |
| 2015 | 105 | 2.568,25 | 24,46 | 2 |
| 2016 | 134 | 3.535,28 | 26,38 | 2 |
| 2017 | 124 | 3.508,09 | 28,29 | 2 |
| 2018 | 123 | 2.883,98 | 23,45 | 2 |
| 2019 | 122 | 3.211,40 | 26,32 | 3 |
| 2020 | 139 | 3.755,98 | 27,02 | 3 |
| 2021 | 165 | 4.276,76 | 25,92 | 4 |
| 2022 | 164 | 4.510,57 | 27,50 | 4 |
| 2023 | 209 | 5.487,75 | 26,26 | 4 |
| 2024 | 202 | 5.668,96 | 28,06 | 5 |
| totale | 2.672 | 66.629,12 | 24,94 | 39 |