The report is based on an analysis of nearly 99 percent of birth records reported to 50 states and the District of Columbia as part of the National Vital Statistics System.
这一份报告是基于50个州以及哥伦比亚特区的将近99%的生育纪录，作为国家重要统计系统的一部分。
The portal presents tabular and graphical views of vital system statistics and RSS feeds for alarms.
这个portal呈现了重要的系统统计图表视图以及警报的RSSfeeds。
The portal presents tabular and graphical views of vital system statistics and RSS feeds for alarms.
这个portal呈现了重要的系统统计图表视图以及警报的RSSfeeds。
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