Things have grown steadily since.
1	Things	thing	NOUN	NNS	Number=Plur	3	nsubj	3:nsubj	Discourse=causal-result:16->12:1|Entity=(29-abstract-acc:com-cf1-1-sgl)
2	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux	3:aux	_
3	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part	0	root	0:root	_
4	steadily	steadily	ADV	RB	Degree=Pos	3	advmod	3:advmod	_
5	since	since	ADP	IN	_	3	obl	3:obl	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	3:punct	_
