| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 1.021,37 | 21,28 | 2 |
| 2007 | 35 | 608,04 | 17,37 | 1 |
| 2008 | 15 | 526,70 | 35,11 | 1 |
| 2009 | 87 | 1.819,24 | 20,91 | 3 |
| 2010 | 106 | 1.840,86 | 17,37 | 3 |
| 2011 | 99 | 1.591,81 | 16,08 | 2 |
| 2012 | 129 | 2.900,25 | 22,48 | 3 |
| 2013 | 155 | 3.352,66 | 21,63 | 3 |
| 2014 | 156 | 3.956,01 | 25,36 | 3 |
| 2015 | 131 | 3.532,16 | 26,96 | 3 |
| 2016 | 196 | 4.635,50 | 23,65 | 3 |
| 2017 | 184 | 4.745,49 | 25,79 | 3 |
| 2018 | 195 | 4.883,91 | 25,05 | 3 |
| 2019 | 182 | 5.002,99 | 27,49 | 3 |
| 2020 | 170 | 4.580,79 | 26,95 | 3 |
| 2021 | 188 | 4.590,16 | 24,42 | 3 |
| 2022 | 180 | 4.218,27 | 23,43 | 3 |
| 2023 | 155 | 3.592,83 | 23,18 | 3 |
| 2024 | 154 | 3.406,40 | 22,12 | 3 |
| totale | 2.565 | 60.805,44 | 23,71 | 51 |