The values
- N: 1,200
- Ages: 15-79
- Method: 訪問留置法
- Fieldwork: 4 October 2017 to 16 October 2017
- Quota: area, city size, sex/age matched to population
Where it comes from
The line in the source
全国の15～79歳の男女個人 1,200人 In English
Nationwide individuals aged 15-79, 1,200 people (2017 sample; method 訪問留置法 stated in same doc).