(S (S (BASENP (NN Female) (NN suicide) (NNS rates)) (VP (VBP have) (VP (ADVP (RB greatly)) (VP (VBN increased) (S (VP (TO to) (VP (VB account) (PP (IN for) (NP (NP (BASENP (NN 40) (NN %)) (PP (IN of) (BASENP (NNP Northern) (NNP Territory) (NNS suicides)))) (PP (IN amongst) (NP (BASENP (DT those)) (ADJP (JJ aged) (NP (QP (ADVP (RBR less) (IN than)) (NN eighteen))))))))))))))) (PERIOD .))