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1990
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1990
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3. How long (has/did) -- (had/have) (problem)?

Number ____
1[] Days [next problem or item 01]
2[] Weeks [next problem or item 01]
3[] Months [next problem or item 01]
4[] Years [next problem or item 01]
555[] Lifetime/all life [next problem or item 01]
999[] DK [next problem or item 01]