Ask [respondents]: "How old are you?"

Record the full age by counting the last birthday before the April 1st, 2000 in the check boxes provided, use two digits as follows:

If less than 1 year, record "00"

If older than 98 years and over, record "98"

3. If the answer is in the lunar month (which is the way of counting day, month, year by using the asterism year) ask approximately for the age, check the age from the comparable table provided to see whether the age coincides with any year. Record the age in the check boxes provided.

For example, for a person born on the twelfth month, in the year of the great snake, the age is approximately 40 or over. Check at the comparable table for the age in the year of the great snake, record the age of 47 years in the check boxes provided.

4. If the answer is the month and year of solar way of counting, check the comparable table and record the age in the check boxes provided.

5. If [the respondent] does not know the month and year of birth, ask the respondent to estimate his age and record the age according to the answer, such as approximately 22 years, and record "22" in the check boxes provided

6. If the age is unknown, record "99"