A major Danish supplier Proshop, who also supplies other nearby countries, has released their supply numbers for RTX 3080, 3090 and upcoming 3070.
RTX 3080: Proshop has ordered 9 015 units. Out of these 489 have been delivered and further 372 are incoming: 5.4% of Proshop's order has been delivered and 4.1% are incoming.
RTX 3090: Prohop has ordered 1 972 units. Out of these 158 have been delivered and further 121 are incoming: 8% of Proshop's order has been delivered and 6.1% are incoming.
RTX 3070: Proshop has ordered 4 630 units. Out of these 151 units have been delivered and further 451 are incoming: Assuming the incoming units arrive by launch day, Proshop will have 13% of the inventory they'd have wanted.
The statistics are available here: https://www.proshop.de/RTX-30series-overview