130 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1961 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1962 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1963 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1964 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1965 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1966 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1967 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1968 -61 -24 -33 50 108 101 111 102 86 35 14 -44 1969 -63 -37 -36 -1 98 89 95 117 89 36 36 -34 1970 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1971 -20 -62 -34 17 83 102 102 119 65 32 -4 -36 1972 -54 -33 -12 41 69 110 118 108 60 13 6 -29 1973 -52 -47 -54 10 79 95 125 107 105 49 -20 -38 1974 -64 -36 -11 -2 44 89 113 130 101 47 -9 -38 1975 -35 -53 6 23 58 99 118 106 113 48 -16 -29 1976 -48 -48 -41 22 62 84 105 82 66 60 5 -41 1977 -55 -11 6 23 77 99 127 122 67 47 20 -59 1978 -60 -31 -14 8 54 102 116 97 59 38 -7 -32 1979 -76 -53 -6 -4 63 115 104 110 85 28 4 -16 1980 -77 -58 1000 1000 48 94 1000 1000 72 52 23 -39 1981 -64 0 20 48 120 1000 1000 1000 1000 65 -30 -32 1982 -50 -63 -32 7 65 110 105 115 108 60 16 -20 1983 -49 -76 5 48 81 78 108 123 78 39 -15 -26 1984 -23 -26 -24 -1 92 110 127 108 109 86 20 -26 1985 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1986 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1987 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1988 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1989 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1990 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000