T\X 30 40 50 60 -40 -1 -1 -1 1073.5 -30 -1 -1 1063.5 1071 -20 -1 1053 1060 1068 -10 1037 1050 1057 1064.5 0 1035.5 1047 1054 1059.5 10 1033 1043.5 1048 1055 20 1029 1038 1046 1051 30 1025.5 1034.5 1039.5 1044 40 1020 1028 1034.5 1037.5 50 1014.5 1021 1027 1030.5 60 1007 1014 1020 1023.5 70 1000 1006 1013.5 1016 80 994 998 1005 1007 90 985 990 995.5 997.5 100 977 981.5 987 988.5