1998年CPI通胀开始下降时，生产者物价已经下跌了八个月，并在总共51个月的时间里保持负增长，而CPI在39个月后开始恢复。
By 1998, when CPI inflation began to fall, producer prices had already been declining for eight months, and remained negative for a total of 51 months, with CPI growth beginning to recover after 39 months.