ISLAMABAD - The Sensitive Price Indicator-based inflation surged by 18.68 percent during the last week over the same period of the last year, Federal Bureau of Statistics (FBS) reported on Monday. According to the figures, the SPI-based inflation for all income groups was recorded at 18.68 percent in the previous week over the corresponding period of the last year. It was increased by 19.63 percent for the lower income group (earning up to Rs 3,000 per month). Meanwhile, the SPI-based inflation enhanced by 19.42 percent for the lower middle-income group (Rs 3,001 and Rs 5,000), while it went up by 18.97 percent for the income group (Rs 5,001 to Rs 12,000). The SPI-based inflation increased by 18.12 percent for the high income group earning more than Rs 12,000 per month last year. However, on weekly basis, inflation for income classes showed decline during the week under review, as for the lower income group it decreased by 0.64 percent. Meanwhile, the inflation went down by 0.69 percent for the income group (Rs 3001 to Rs 5,000), and it reduced by 0.75 percent for the group earning Rs 5,001 to Rs 12,000 per month. The inflation decreased by 0.73 percent for the higher income group earning more than Rs 12,000 per month. Out of the samples of 53 kitchen items, prices collected from 25 urban centres, 23 items showed increase in prices, 8 items registered decline and the prices of 22 items remained unchanged as compared to the previous week. Within a span of one week, the price of egg increased by 19.59 percent, moong pulse (washed) 154.10 percent, wheat flour 5 percent, wheat, 2.89 percent, rice-irri-6, 4.76 percent, firewood, 15.96 percent, gur, 23.45 percent, garlic, 101.47 percent, gram pulse washed, 44.90 percent and mustard oils prices went up by 9.10 percent in the week under review over the corresponding period last year.