This is the largest individual category accounting for 14% of all fish purchases. Sales of salmon remained fairly constant (+6.2%) since 2007 and consistently make up around 8% of total fish purchases. Purchases of herring and other blue fish fell -30% on 2007. Whilst purchases have fallen, expenditure on fish has remained almost unchanged. Expenditure has increased by 1%, from GBP 1.16 per person per week in 2007 to GBP 1.17 in 2010 (GDP 1.20 in 2011 ). In comparison, the expenditure on takeaway fish fell 7.5% over the same period to GBP 0.17 per person per week .