That information comes from a study released Tuesday by the National Center for Health Statistics.

这些信息来自美国国家卫生统计中心周二发布的一项研究。

These data come from the CDC's National Center for Health Statistics, which recently published provisional data for 2021.

这些数据来自 CDC 国家健康统计中心最近公布的 2021 年临时性数据。