But as its economy has expanded by an average of nine per cent per year for the last two decades, so has its demand for energy.
1	But	but	CCONJ	CC	_	23	cc	23:cc	_
2	as	as	SCONJ	IN	_	6	mark	6:mark	_
3	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	4:nmod:poss	_
4	economy	economy	NOUN	NN	Number=Sing	6	nsubj	6:nsubj	_
5	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	6:aux	_
6	expanded	expand	VERB	VBN	Tense=Past|VerbForm=Part	23	advcl	23:advcl:as	_
7	by	by	ADP	IN	_	9	case	9:case	_
8	an	a	DET	DT	Definite=Ind|PronType=Art	9	det	9:det	_
9	average	average	NOUN	NN	Number=Sing	6	obl	6:obl:by	_
10	of	of	ADP	IN	_	13	case	13:case	_
11	nine	nine	NUM	CD	NumForm=Word|NumType=Card	13	nummod	13:nummod	_
12	per	per	NOUN	NN	Number=Sing	13	compound	13:compound	_
13	cent	cent	NOUN	NN	Number=Sing	9	nmod	9:nmod:of	_
14	per	per	ADP	IN	_	15	case	15:case	_
15	year	year	NOUN	NN	Number=Sing	13	nmod	13:nmod:per	_
16	for	for	ADP	IN	_	20	case	20:case	_
17	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	_
18	last	last	ADJ	JJ	Degree=Pos	20	amod	20:amod	_
19	two	two	NUM	CD	NumForm=Word|NumType=Card	20	nummod	20:nummod	_
20	decades	decade	NOUN	NNS	Number=Plur	6	obl	6:obl:for	SpaceAfter=No
21	,	,	PUNCT	,	_	23	punct	23:punct	_
22	so	so	ADV	RB	_	23	advmod	23:advmod	_
23	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	0:root	_
24	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	25	nmod:poss	25:nmod:poss	_
25	demand	demand	NOUN	NN	Number=Sing	23	nsubj	23:nsubj	_
26	for	for	ADP	IN	_	27	case	27:case	_
27	energy	energy	NOUN	NN	Number=Sing	25	nmod	25:nmod:for	SpaceAfter=No
28	.	.	PUNCT	.	_	23	punct	23:punct	_
