Trends in retail prices (CPI adjusted) of milk and sugar-sweetened carbonated beverages in New Zealand, 1970–2008. [132, 133]. Key – 1976 – Price fixing removed (A); 1985 – Retail subsidies removed (B); 1988 – Milk Act (1988) Removal of price and margin controls (C). Prices are the lowest at time of collection. Note: Statistics NZ unable to supply missing information.