Bertelsmann Stiftung · sex ratio at birth fm ratio parity by men 80 83 73 76 76 79 80 20 27 24 21...
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Bertelsmann Stiftung · sex ratio at birth fm ratio parity by men 80 83 73 76 76 79 80 20 27 24 21 20 nepal laos vietnam singapore china pakistan cambodia laos 0.96 pakistan 0.95
