how many times have the celtics lost by at least 30 points

The Boston Celtics have not lost when the point differential has been 30 or above points.

Interpreted as:

How many times have the celtics lost in the regular season by at least 30 points?

	TEAM	DATE	L	SEAS	DIFF	TM		OPP	RESULT	MIN	PTS	REB	AST	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	PF
1	Celtics	11/4/1951	0	1	32	BOS	vs	IND	W 97-65	240	97	59	34	38	83	45.8				21	29	72.4	50.6	21
2	Celtics	11/22/1951	0	1	31	BOS	vs	MIL	W 103-72	240	103		31	35	86	40.7				33	42	78.6	49.3	24
3	Celtics	1/23/1952	0	1	42	BOS	vs	BAL	W 117-75	240	117		38	51	111	45.9				15	21	71.4	48.7	16
4	Celtics	1/11/1953	0	1	44	BOS	vs	BAL	W 131-87	240	131		43	49	92	53.3				33	48	68.8	57.9	33
5	Celtics	12/12/1953	0	1	31	BOS	vs	BAL	W 106-75	240	106		32	43	92	46.7				20	24	83.3	51.7	21
6	Celtics	11/11/1955	0	1	44	BOS	vs	MIN	W 119-75	240	119		39	46	109	42.2				27	37	73.0	47.5	25
7	Celtics	1/20/1957	0	1	36	BOS	vs	NYK	W 114-78	240	114	89	31	45	116	38.8				24	30	80.0	44.1	25
8	Celtics	1/23/1957	0	1	32	BOS	vs	SYR	W 140-108	240	140	78	32	59	125	47.2				22	32	68.8	50.3	23
9	Celtics	3/13/1957	0	1	31	BOS	vs	NYK	W 122-91	240	122	79	29	47	126	37.3				28	42	66.7	42.2	24
10	Celtics	1/7/1959	0	1	31	BOS		NYK	W 109-78	240	109			42						25	31	80.6		25
11	Celtics	1/31/1959	0	1	35	BOS	vs	PHI	W 137-102	240	137	84	36	56	117	47.9				25	35	71.4	51.7	27
12	Celtics	2/27/1959	0	1	34	BOS	vs	MIN	W 173-139	240	173	73	43	72	143	50.3				29	37	78.4	54.3	30
13	Celtics	11/11/1959	0	1	33	BOS	vs	CIN	W 151-118	240	151	78		59						33	48	68.8		24
14	Celtics	12/22/1959	0	1	32	BOS	@	DET	W 136-104	240	136			55						26	33	78.8		26
15	Celtics	2/9/1960	0	1	39	BOS		MIN	W 129-90	240	129	79		50	129	38.8				29	44	65.9	43.5	28
16	Celtics	2/10/1960	0	1	32	BOS		DET	W 153-121	240	153	71	30	60	129	46.5				33	44	75.0	51.6	22
17	Celtics	12/24/1960	0	1	44	BOS	vs	DET	W 150-106	240	150	112	31	61	146	41.8				28	34	82.4	46.6	19
18	Celtics	10/21/1961	0	1	35	BOS	vs	DET	W 137-102	240	137		26	55	120	45.8				27	37	73.0	50.3	27
19	Celtics	10/28/1961	0	1	30	BOS	vs	NYK	W 132-102	240	132	95	33	56	116	48.3				20	32	62.5	50.7	16
20	Celtics	1/2/1962	0	1	37	BOS		STL	W 136-99	240	136	66		58	123	47.2				20	23	87.0	51.1	14
21	Celtics	2/11/1962	0	1	33	BOS	vs	CHI	W 148-115	240	148	59	32	58	120	48.3				32	40	80.0	53.8	26
22	Celtics	3/7/1962	0	1	51	BOS	vs	PHI	W 153-102	240	153	83	25	59	121	48.8				35	43	81.4	54.7	19
23	Celtics	3/13/1962	0	1	32	BOS	vs	SYR	W 142-110	240	142			54						34	40	85.0		25
24	Celtics	10/20/1962	0	1	33	BOS	vs	NYK	W 149-116	240	149	86	40	63	126	50.0				23	32	71.9	53.2	26
25	Celtics	1/13/1963	0	1	44	BOS	vs	CHI	W 143-99	240	143	76	23	62	119	52.1				19	27	70.4	54.6	17
	Average		0.0	0.4	35.6					240.0	127.6			49.8			11.0	24.5	44.8	20.7	26.6	77.7
	Total		0	62	5,662					38,160	20,282			7,924			1,145	2,553	44.8	3,289	4,232	77.7