The structure of staff changed accordingly: the ratio of General Service to Professional staff declined from 2.04 in 1 January 1990 to 1.62 in June 2001, or by 21 per cent.
人员构成相应发生变化：一般事务人员与专业人员之比从1990年1月1日的2.04降至2001年6月的1.62，降幅为21％。