Demography
Demography > 2013 > 50 > 1 > 181-206
Demography > 2013 > 50 > 2 > 591-614
Demography > 2016 > 53 > 3 > 597-621
Demography > 2016 > 53 > 6 > 1717-1742
Demography > 2017 > 54 > 1 > 231-257
Demography > 2019 > 56 > 3 > 991-998