在計算你退休金增幅%時用的是根據CPI-W(這點你沒說錯,), 而不是 CPI, 那是給勞工統計局用的。
The Bureau of Labor Statistics (BLS) publishes the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) on a monthly basis. We use the CPI-W to annually adjust benefits paid to Social Security beneficiaries and Supplemental Security Income recipients.