ISLAMABAD - Remaining in double-digits the weekly price indicator for the lowest income group, having monthly income of Rs 3,000, swung upward by 18.44 percent during the last week as compared to the same period of the last financial year 2008-09. The Federal Bureau of Statistics (FBS) in its latest figures released here on Saturday showed that the inflation measured by Sensitive Price Indicator (SPI) for the people earning up to Rs 3,000 per month increased by 18.44 percent during the week ended on March 18, over the same period of the last fiscal year. The bulletin also showed growth in the prices of 20 essential commodities during the period under review. The major kitchen items that saw an increase in the cost included, tomatoes, mutton, mong pulse washed, milk and chicken. The SPI on week on week basis saw a nominal growth of 0.36 percent for the lowest income group. Similarly, the combine (average of all income groups) SPI on week on week basis increased by 0.51 percent. The combined SPI on year on year basis remained at 17.94 percent for all income groups during the week ended on March 18, over the same period of the last fiscal year. For the second lowest income group (Rs 5,000/month), the SPI on year on year basis soared by 18.35 percent. The income group comprising people having earning up to Rs 12,000 per month witnessed an increase of 17.93 percent in inflation. The highest income group, of above than Rs 12,000, saw an increase of 17.75 percent in SPI based inflation during the week ended on Thursday over the same week of the last fiscal year. The Federal Bureau of Statistics carries out survey in 17 urban centres each week to determine the trend in the prices of 53 essential items. The rates of 20 essential commodities swelled, 11 items decreased, and 22 product prices remained same as of the previous week. The major increase was in the prices of tomatoes 13.35 percent per kilogram, mutton 2.60 per kilogram, mong pulse washed 2.41 per kilogram, milk 1.87 per litre, curd 1.63 per kilogram, red chillies 1.35 per kilogram, garlic 1.25 per kilogram, chicken 1.23 per kilogram and beef 0.87 percent. While the prices of Liquefied Petroleum Gas (LPG) (11 kilogram cylinder) declined by 4.45pc per cylinder on week on week basis. Whereby the eggs rates came down by 3.63 percent per dozen, sugar 1.41 per kilogram, and gram pulse washed 0.81pc per kilogram.