{ "name": "whoB34_1.png", "vistype": "line", "Q1": { "type": "0", "question": "What is the theme of this visualization?", "A": "Persons aged 60 years and over as a percentage of total population", "B": "Persons aged 50 years and over as a percentage of total population", "C": "Persons aged 40 years and over as a percentage of total population", "D": "I can not remember", "answer": "A", "AOI": "6" }, "Q2": { "type": "2", "question": "What period of historical estimate does the visualization show?", "A": "1940-2005", "B": "1950-2005", "C": "1950-2050", "D": "I can not remember", "answer": "B", "AOI": "6,9" }, "Q3": { "type": "1", "question": "Which category has the highest percentage?", "A": "Females, low and middle-income countries", "B": "Males, high-income countries", "C": "Females, high-income countries", "D": "I can not remember", "answer": "C", "AOI": "2,9,10" }, "Q4": { "type": "1", "question": "Which category has the lowest percentage?", "A": "Females, low and middle-income countries", "B": "Males, low and middle-income countrie", "C": "Males, high-income countries", "D": "I can not remember", "answer": "B", "AOI": "2,9,10" }, "Q5": { "type": "2", "question": "Which year of projection does the data reflect to?", "A": "2005", "B": "2020", "C": "2050", "D": "I can not remember", "answer": "C", "AOI": "9" } }