First Official Language Spoken (7), Occupation - National Occupational Classification (NOC) 2016 (691), Highest Certificate, Diploma or Degree (15) and Immigrant Status and Period of Immigration (11) for the Population Aged 15 Years and Over Who Worked Since 2015, in Private Households of Canada, Provinces and Territories, Census Metropolitan Areas and Census Agglomerations, 2016 Census - 25% Sample Data - Supporting Document