世界 世界: 招生, 2级, 中学, 总数


世界的 "招生, 2级, 中学, 总数" 包含了从 1971 至 2012的数据
Enrolment in secondary. Grade 2. Total is the total number of students enrolled in Grade 2 of secondary education.
Worldbank

线性图

这部分用线性图来展现历史数据

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