Since the mid 1990s, aggregate household wealth has swelled relative to disposable personal income, largely due to increases in the market value of households' existing assets (see figure 1.2).
( ( Since ( the ( mid 1990s ) ) ) ( , ( ( aggregate ( household wealth ) ) ( ( has ( ( ( swelled ( relative ( to ( disposable ( personal income ) ) ) ) ) , ) ( largely ( due ( to ( increases ( in ( ( ( the ( market value ) ) ( of ( ( households ' ) ( existing assets ) ) ) ) ( -LRB- ( ( see ( figure 1.2 ) ) -RRB- ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Since) (NP (DT the) (JJ mid) (NNS 1990s))) (, ,) (NP (JJ aggregate) (NN household) (NN wealth)) (VP (VBZ has) (VP (VBN swelled) (S (ADJP (JJ relative) (PP (TO to) (NP (JJ disposable) (JJ personal) (NN income))))) (, ,) (S (ADJP (RB largely) (JJ due) (PP (TO to) (NP (NP (NNS increases)) (PP (IN in) (NP (NP (NP (DT the) (NN market) (NN value)) (PP (IN of) (NP (NP (NNS households) (POS ')) (VBG existing) (NNS assets)))) (PRN (-LRB- -LRB-) (S (VP (VB see) (NP (NN figure) (CD 1.2)))) (-RRB- -RRB-)))))))))) (. .)))
Aggregate household wealth has plummeted since the 1990s as household assets have steadily decreased.
( ( Aggregate ( household wealth ) ) ( ( has ( ( plummeted ( since ( the 1990s ) ) ) ( as ( ( household assets ) ( ( have steadily ) decreased ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Aggregate) (NN household) (NN wealth)) (VP (VBZ has) (VP (VBN plummeted) (PP (IN since) (NP (DT the) (NNS 1990s))) (SBAR (IN as) (S (NP (NN household) (NNS assets)) (VP (VBP have) (ADVP (RB steadily)) (VP (VBN decreased))))))) (. .)))