Scandinavian family name etymology

Columns: Rank | Surname | Number of bearers 1971 | Number of bearers 2012 | Type | Etymology
15 | Thomsen | 40,180 | 39,473 | patronymic | son of Thomas | 16 | Christiansen | 45,984 | 37,493 | patronymic | son of Christian | 17 | Poulsen | 36,544 | 32,526 | patronymic | son of Poul | 18 | Johansen | 36,470 | 31,517 | patronymic | son of Johan | 19 | Møller | 31,645 | 30,321 | occupational | miller | 20 | Johnsen | 28,660 | 24,787 | patronymic | son of Jon

Example questions:
What is the alternate spelling of the Scandinavian last name possessed by 121,147 in 2012 ? | What is the share of Danish people who have the Scandinavian last name possessed by 118,144 in 2012 ? | Which father is referenced by the Scandinavian last name possessed by 161,379 in 2012 ? | What portion of Danish have the Scandinavian last name possessed by 220,956 in 2012 ? | What is the popularity rank of the Scandinavian last name possessed by 166,417 in 2012 ?

Answers:
Kristensen | 2.4% | Anders | 4.3% | sixth