I. Data for major foreign countries/regions have been adjusted by international organizations such as the United Nations, and the scope and coverage are therefore comparable.
II. The latest data for a certain countries/regions are preliminary or estimated statistics.
III. All data of
IV. Data in this chapter are mainly from
databases, CD-ROMs, yearbooks and monthly publications of international
organizations. Data for
V. Some aggregations or rates/ratios may not add up to the sum of the series because of rounding.
VI. The symbol "(blank)" indicates that data are not available.