The Sensitive Price Indicator (SPI) based weekly inflation for the week ended on December 17, for the combined consumption group, witnessed nominal decrease of 0.22 percent as compared to the previous week. The SPI for the week under review in the above mentioned group was recorded at 140.73 points against 141.04 points registered in the previous week, according to the latest data of Pakistan Bureau of Statistics (PBS). As compared to the corresponding week of last year, the SPI for the combined consumption group in the week under review witnessed an increase of 8.24 percent. The weekly SPI with base year 2015-16=100 is covering 17 urban centers and 51 essential items for all expenditure groups. The Sensitive Price Indicator for the lowest consumption group up to Rs17,732 witnessed 0.96 percent decrease and went down from 147.46 points in last week to 146.04 points during the week under review. Meanwhile, the SPI for the consumption groups from Rs17,732-22,888, Rs22,889-29,517; Rs29,518-44,175; Rs29,518 to Rs44,175 and above Rs 44,175 per month also decreased by 0.60 percent, 0.56 percent; 0.51 percent and 0.03 percent respectively.