(S (S (S (NP (BASENP (NNP IE) (POS 's)) (BASENP (JJ various) (NNS versions))) (VP (VP (VBD accounted) (PP (IN for) (NP (BASENP (NN 70) (NN percent)) (PP (IN of) (BASENP (DT the) (NN market)))))) (PP (IN in) (BASENP (NN 2009))))) (COLON ;) (S (BASENP (DT this)) (VP (VBZ has) (VP (VP (VBN dropped) (PP (TO to) (BASENP (QP (RB approximately) (NN 56)) (NN percent)))) (BASENP (NN today)))))) (PERIOD .))