For the fourth year in a row, the international stock I fund of the TSP led the funds in returns in 2007, posting an 11.43 percent gain for the year, followed by the bond F fund, 7.09, small U.S. company stock S fund, 5.49, large company U.S. stock C fund, 5.54, and government securities G fund, 4.87. The 2007 returns for the lifecycle funds were: income, 5.56; 2010, 6.4; 2020, 6.87; 2030, 7.14; 2040, 7.36.