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Comparability:
Last trend modified: EB75.2, QD1A
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Note:
Question qb1a has only been asked in Belgium, Denmark, Estonia, Greece, Spain, France, Hungary, Italy, Malta, The Netherlands, Poland, Portugal, Romania, Slovakia, United Kingdom. The special WEIGHT SPECIAL COUNTRY GROUP QB1A separates this group of countries and adapts the samples regarding population size and universe description. For more information see W91.
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