(S (S (BASENP (DT This) (NN study)) (VP (VBZ is) (NP (BASENP (DT a) (JJ historic) (NN book)) (ADJP (JJ full) (PP (IN of) (NP (NP (NP (BASENP (NNS births)) (COMMA ,) (BASENP (NNS deaths))) (CC and) (BASENP (JJ external) (NN migration))) (PP (IN for) (NP (BASENP (DT the) (NN population)) (PP (IN of) (BASENP (NNP New) (NNP Zealand))))))))))) (PERIOD .))