national income statistics

The scale of contributions is completely reviewed every three years on the basis of the latest national income statistics to ensure that assessments are fair and accurate .

会费分摊比额表每三年根据最新的国民收入统计数据彻底审查一次，以确保分摊额的公正和准确。

National income statistics such as GDP and gross national product were originally intended as a measure of market economic activity , including the public sector . But they have increasingly been thought of as measures of societal well-being , which they are not .

GDP和国民生产总值（GNP）等国民收入数据最初的目的是为了衡量包括公共部门在内的市场经济活动，但目前它们越来越被视为衡量社会福祉的指标，而实际上它们不是。