[["$ in billions", "average for theyear ended december 2018", "average for theyear ended december 2017", "average for theyear ended december 2016"], ["alternative investments", "$ 171", "$ 162", "$ 149"], ["equity", "329", "292", "256"], ["fixed income", "665", "633", "578"], ["total long-term aus", "1165", "1087", "983"], ["liquidity products", "352", "330", "326"], ["total aus", "$ 1517", "$ 1417", "$ 1309"]]