The numbers aren't secret - we can just go look. Households don't really buy anything other than what's classified as "passenger vehicles".
Households in July, all vehicle types:
9,155 EV / 9,566 total (96%)
Non-passenger vehicles specifically:
23 EV / 26 total (88%)
www.statistikbanken.dk/bil51
statistikbanken.dk
Statistikbanken