NIUTAO JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1947 -2 -2 -2 -2 -2 -2 -2 138.176 75.946 280.67 271.018 121.412 1948 662.432 375.412 211.582 236.474 177.8 288.29 238.76 421.386 155.448 204.724 163.322 439.928 1949 464.058 252.222 334.772 378.968 184.658 346.202 202.946 143.51 193.802 194.31 249.428 195.834 1950 365.252 366.522 49.53 312.166 179.578 150.368 179.324 60.706 4.572 10.668 47.498 439.42 1951 296.164 118.618 114.808 307.848 178.308 152.908 536.702 188.976 115.062 296.926 161.036 390.398 1952 416.306 252.476 409.448 325.12 194.818 347.218 258.826 201.93 32.258 265.938 129.794 284.226 1953 414.274 465.328 217.932 284.734 502.666 312.928 216.662 361.95 358.14 390.906 389.128 248.158 1954 250.698 343.662 289.56 405.13 141.986 141.732 236.474 208.788 164.084 53.594 259.842 304.038 1955 531.114 116.84 230.124 217.17 217.424 84.836 78.74 103.378 156.718 73.406 43.688 42.418 1956 143.002 80.264 215.138 91.694 88.392 131.064 82.804 74.168 79.756 135.89 93.726 496.57 1957 42.164 795.782 164.592 344.17 189.992 263.398 298.704 472.694 244.602 389.128 155.956 280.924 1958 555.244 198.628 241.3 206.502 341.63 414.274 178.308 294.64 386.08 154.94 352.044 330.708 1959 463.042 512.826 262.128 197.104 82.804 149.606 266.446 229.362 184.912 389.636 169.672 230.378 1960 395.986 261.874 253.238 307.848 310.642 179.324 237.998 286.004 211.836 397.764 126.746 129.54 1961 511.302 292.1 839.216 182.118 312.674 94.742 203.454 110.49 135.89 143.51 202.692 164.084 1962 94.742 12.446 140.462 187.198 157.988 85.09 7.62 100.838 60.706 108.712 134.112 73.406 1963 65.024 105.664 80.772 203.2 147.828 300.99 208.788 137.414 137.414 144.018 321.564 345.44 1964 237.998 295.402 154.178 197.866 150.622 106.934 185.928 101.092 30.226 24.384 221.234 257.048 1965 246.126 291.592 439.42 347.472 168.656 131.826 269.748 185.166 268.732 386.334 330.454 384.048 1966 610.108 231.648 464.566 193.04 83.312 342.9 225.806 209.296 169.418 163.576 265.43 97.028 1967 223.52 118.364 178.308 355.346 238.506 115.57 140.716 223.012 180.848 93.218 181.102 304.038 1968 395.478 69.342 118.11 207.264 107.442 90.678 304.546 146.304 105.664 108.712 110.49 37.592 1969 328.422 570.992 268.224 163.83 341.63 353.822 364.236 272.034 258.064 118.364 370.586 194.056