本资料大部分来自年度统计调查结果，一部分来自抽样调查。
The major data sources are obtained from annual statistical reports, some from sample survey.
注：以上的权数是根据1999至2000年间进行的住户开支统计调查结果计算出来。
Note:The weights are derived from the results of the 1999/2000 Household Expenditure Survey.
这个简短的战术导向的每月统计调查结果显示，旨在收集实时从一个随机选择的客户忠诚度和手机的性能数据。
This brief, tactically oriented monthly survey is designed to gather real-time loyalty and phone performance data from a random selection of customers.
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