If you want to find the total number of records including those with Nullvalues, use Count with the wildcard character.
1	If	if	SCONJ	_	_	3	mark	_	_
2	you	you	PRON	PERS-P2	_	3	nsubj	_	_
3	want	want	VERB	PRES	Mood=Ind|Tense=Pres|VerbForm=Fin	16	advcl	_	_
4	to	to	PART	_	_	5	mark	_	_
5	find	find	VERB	INF	VerbForm=Inf	3	xcomp	_	_
6	the	the	DET	DEF	Definite=Def|PronType=Art	8	det	_	_
7	total	total	ADJ	POS	Degree=Pos	8	amod	_	_
8	number	number	NOUN	SG-NOM	Number=Sing	5	obj	_	_
9	of	of	ADP	_	_	10	case	_	_
10	records	record	NOUN	PL-NOM	Number=Plur	8	nmod	_	_
11	including	include	VERB	ING	Tense=Pres|VerbForm=Part	8	acl	_	_
12	those	that	PRON	DEM-PL	Number=Plur|PronType=Dem	11	obj	_	_
13	with	with	ADP	_	_	14	case	_	_
14	Nullvalues	nullvalue	NOUN	PL-NOM	Number=Plur	12	nmod	_	SpaceAfter=No
15	,	,	PUNCT	Comma	_	3	punct	_	_
16	use	use	VERB	IMP	Mood=Imp|VerbForm=Fin	0	root	_	_
17	Count	count	NOUN	SG-NOM	Number=Sing	16	obj	_	_
18	with	with	ADP	_	_	21	case	_	_
19	the	the	DET	DEF	Definite=Def|PronType=Art	21	det	_	_
20	wildcard	wildcard	NOUN	SG-NOM	Number=Sing	21	compound	_	_
21	character	character	NOUN	SG-NOM	Number=Sing	16	obl	_	SpaceAfter=No
22	.	.	PUNCT	Period	_	16	punct	_	_
