(S (S (NP (NP (BASENP (NNP China) (POS 's)) (BASENP (JJ accumulated) (NN contribution))) (PP (IN since) (NP (BASENP (DT the) (NN start)) (BASENP (DT the) (NNS 1800s))))) (VP (VBZ is) (NP (BASENP (QP (RB only) (NN five)) (NN per) (NN cent)) (PP (IN of) (BASENP (DT the) (JJ global) (NN total)))))) (PERIOD .))