Sub-group Food and non-alcoholic beverages Clothing and footwear Rents Electricity Health Tertiary education Sub-group Food and non-alcoholic beverages Clothing and footwear Rents Electricity Health Tertiary education 100 100 100 100 100 100 Index number, March 2003 Index number, March 2023 147.1 123.? 134.6 162.4 153.1 198.? Cumulative percentage change 47.10% 23.20% 34.60% 62.40% 53.10% 98.20% Annual rate of change 2.30% 1.20% 1.20% 2.60% 2.20% 3.90%