birth_year,ap_year,cycle,cycle_year_of_ap_year,ap_mean,cbr,tfr,births_thousands,population_thousands,china_cbr 1950,1949,18,5,15.4247,36.831,4.8519,91823.936,2493092.848,40.977 1951,1950,18,6,18.0438,36.464,4.8164,92507.128,2536927.035,39.990 1952,1951,18,7,22.2740,37.681,5.0008,97371.459,2584086.339,45.116 1953,1952,18,8,21.1967,36.935,4.9223,97291.452,2634106.236,41.796 1954,1953,18,9,15.6329,37.301,4.9978,100187.854,2685894.860,43.108 1955,1954,18,10,10.9808,37.131,5.0031,101747.972,2740213.792,42.627 1956,1955,19,1,11.2411,36.402,4.9309,101759.013,2795409.994,39.516 1957,1956,19,2,18.0492,37.165,5.0684,106017.733,2852618.337,42.942 1958,1957,19,3,20.0986,35.945,4.9321,104644.163,2911249.670,37.697 1959,1958,19,4,19.2274,34.390,4.7395,101999.844,2965950.351,31.117 1960,1959,19,5,21.3370,33.951,4.6963,102378.083,3015470.894,29.491 1961,1960,19,6,23.6503,32.938,4.5712,100950.944,3064869.675,25.740 1962,1961,19,7,14.3863,35.871,5.0217,112038.714,3123374.315,40.336 1963,1962,19,8,12.2521,37.523,5.3081,119802.888,3192807.828,48.880 1964,1963,19,9,12.5781,35.930,5.1230,117292.200,3264487.339,42.667 1965,1964,19,10,9.9344,35.338,5.0709,117837.004,3334533.703,41.559 1966,1965,20,1,7.7370,34.439,4.9610,117232.950,3404041.125,39.343 1967,1966,20,2,10.2603,33.661,4.8525,116920.266,3473412.880,36.099 1968,1967,20,3,11.9808,34.364,4.9628,121825.890,3545187.251,40.524 1969,1968,20,4,13.4945,33.769,4.8657,122227.965,3619491.580,38.536 1970,1969,20,5,11.3671,33.599,4.8251,124135.907,3694683.794,38.214 1971,1970,20,6,11.9836,32.824,4.6791,123739.681,3769847.865,35.152 1972,1971,20,7,11.2603,32.134,4.5446,123554.018,3844917.680,33.110 1973,1972,20,8,12.6148,31.515,4.4163,123563.931,3920805.042,31.314 1974,1973,20,9,17.0329,30.705,4.2591,122709.409,3996416.096,28.428 1975,1974,20,10,19.6082,29.732,4.0797,121030.095,4070735.278,25.215 1976,1975,20,11,13.9068,29.275,3.9745,121322.351,4144246.378,23.661 1977,1976,20,12,12.9317,28.637,3.8497,120786.521,4217863.796,21.540 1978,1977,21,1,11.8822,28.457,3.7871,122140.645,4292097.502,21.178 1979,1978,21,2,16.9205,28.614,3.7712,125000.293,4368539.528,21.821 1980,1979,21,3,14.4712,28.655,3.7437,127446.984,4447606.236,22.046 1981,1980,21,4,11.0956,28.643,3.7110,129715.837,4528777.306,22.541 1982,1981,21,5,16.2904,28.878,3.7119,133206.504,4612673.421,24.026 1983,1982,21,6,22.4137,28.094,3.5808,131967.708,4697327.574,21.070 1984,1983,21,7,18.5178,28.097,3.5526,134365.258,4782175.519,21.947 1985,1984,21,8,18.8197,28.009,3.5145,136373.957,4868943.466,22.774 1986,1985,21,9,13.7233,28.096,3.5042,139301.162,4958072.838,24.177 1987,1986,21,10,12.4685,27.991,3.4759,141346.561,5049746.398,25.138 1988,1987,22,1,10.9397,27.419,3.3898,140985.956,5141992.542,23.710 1989,1988,22,2,12.7131,27.176,3.3471,142249.031,5234431.732,24.016 1990,1989,22,3,19.4630,26.927,3.3098,143461.425,5327803.110,24.341 1991,1990,22,4,16.2493,25.524,3.1305,138306.865,5418735.892,19.342 1992,1991,22,5,23.4301,24.808,3.0437,136591.255,5505989.816,17.784 1993,1992,22,6,16.4754,24.257,2.9804,135632.145,5591544.797,16.874 1994,1993,22,7,15.0411,23.811,2.9334,135142.908,5675551.256,16.153 1995,1994,22,8,18.1096,23.416,2.8893,134850.043,5758878.982,15.575 1996,1995,22,9,12.6493,22.992,2.8458,134321.023,5842055.734,14.872 1997,1996,22,10,9.3142,22.614,2.8085,133985.669,5924787.816,14.243 1998,1997,23,1,8.4055,22.283,2.7758,133857.525,6007066.690,13.740 1999,1998,23,2,12.0137,22.017,2.7499,134058.675,6089006.340,13.381 2000,1999,23,3,12.5288,21.997,2.7537,135758.482,6171702.994,13.824 2001,2000,23,4,15.0109,21.644,2.7143,135379.993,6254936.460,12.971 2002,2001,23,5,12.9151,21.364,2.6838,135396.478,6337730.342,12.730 2003,2002,23,6,13.1096,21.136,2.6594,135700.801,6420361.634,12.531 2004,2003,23,7,21.7507,21.004,2.6474,136596.328,6503377.772,12.642 2005,2004,23,8,13.3825,20.824,2.6300,137166.462,6586970.132,12.674 2006,2005,23,9,13.4877,20.755,2.6249,138469.296,6671452.016,12.798 2007,2006,23,10,8.4575,20.709,2.6227,139935.794,6757308.781,12.975 2008,2007,23,11,7.4767,20.711,2.6264,141758.720,6844457.662,13.280 2009,2008,23,12,6.9208,20.622,2.6213,142968.320,6932766.416,13.431 2010,2009,24,1,3.9260,20.416,2.6021,143354.237,7021732.148,13.253 2011,2010,24,2,5.9616,20.233,2.5881,143878.789,7110923.766,13.104 2012,2011,24,3,7.4849,20.282,2.6069,146054.881,7201202.484,14.053 2013,2012,24,4,9.0628,19.887,2.5724,145014.783,7291793.585,13.268 2014,2013,24,5,7.5836,19.680,2.5644,145268.255,7381616.244,13.523 2015,2014,24,6,7.7178,19.321,2.5370,144333.945,7470491.872,12.548 2016,2015,24,7,12.2384,19.164,2.5359,144854.100,7558554.526,13.055 2017,2016,24,8,10.4781,18.782,2.5036,143601.801,7645617.954,12.929 2018,2017,24,9,10.3342,18.155,2.4367,140332.732,7729902.780,10.822 2019,2018,24,10,6.8630,17.743,2.3968,138596.791,7811293.698,10.267 2020,2019,24,11,6.0630,17.081,2.3216,134719.611,7887001.292,8.305 2021,2020,25,1,5.2432,16.777,2.2909,133448.839,7954448.392,7.334 2022,2021,25,2,7.1644,16.515,2.2653,132475.391,8021407.192,6.634 2023,2022,25,3,10.0932,16.327,2.2505,132110.264,8091734.930,6.256