Voted in election
0 = No
1 = Yes
3 = Not eligible to vote
7 = Refusal
8 = Don't know
9 = No answer

0 = Male
1 = Female
9 = No answer

Education Level
0 = Low
1 = Medium
2 = High
55 = Other
77 = Refusal
88 = Don't know
99 = No answer

1 = 18 - 35
2 = 36 - 59
3 = 60 - 90