I've only had it for at least twelve years.
1-2	I've	_	_	_	_	_	_	_	_
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	4:nsubj	Discourse=context-background:77->74:3|Entity=(10-person-giv:inact-cf1-1-ana)
2	've	have	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	4	aux	4:aux	_
3	only	only	ADV	RB	_	4	advmod	4:advmod	_
4	had	have	VERB	VBN	Tense=Past|VerbForm=Part	0	root	0:root	_
5	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	obj	4:obj	Entity=(1-object-giv:inact-cf2-1-ana)
6	for	for	ADP	IN	_	10	case	10:case	_
7	at	at	ADP	IN	_	8	case	8:case	Entity=(26-time-new-cf3-4-sgl
8	least	least	ADJ	JJS	Degree=Sup	9	nmod	9:nmod:at	_
9	twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	10	nummod	10:nummod	_
10	years	year	NOUN	NNS	Number=Plur	4	obl	4:obl:for	Entity=26)|SpaceAfter=No
11	.	.	PUNCT	.	_	4	punct	4:punct	_
