The Boston Celtics were selected for the All-Defensive team once in 1968-69.

Interpreted as:

How many all defensive in a regular season first teams?

	TEAM	ALLDEFENSE	SEASON	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Celtics	1	1968-69	759	26.1	12.0	6.4	2.6	4.7	11.0	43.1	2.6	3.5	72.9	48.0	19,830	9,102	4,840	1,953	2,073
2	Knicks	1	1968-69	756	26.1	12.0	5.6	2.7	4.7	10.3	45.9	2.5	3.4	73.6	50.7	19,730	9,087	4,246	2,071	2,175
3	Warriors	1	1968-69	734	27.1	12.2	7.0	2.5	4.7	11.2	41.5	2.9	4.0	71.9	47.0	19,905	8,947	5,109	1,822	2,087
4	Pistons	1	1968-69	749	26.4	12.5	6.0	2.3	4.8	10.7	45.1	2.9	4.0	70.8	50.2	19,755	9,359	4,471	1,757	2,105
5	Lakers	1	1968-69	747	26.6	12.3	6.4	2.8	4.8	10.2	46.9	2.8	4.2	65.0	51.1	19,905	9,204	4,749	2,068	1,773
6	Hawks	1	1968-69	727	27.1	12.5	6.3	2.8	5.0	10.8	46.0	2.6	3.8	68.7	50.3	19,730	9,123	4,599	2,069	2,082
7	Bulls	1	1968-69	771	25.6	11.1	5.9	2.1	4.4	10.4	41.8	2.4	3.3	72.8	46.9	19,755	8,587	4,550	1,597	2,064
8	Celtics	1	1969-70	853	23.2	11.0	5.1	2.2	4.3	9.7	44.3	2.5	3.2	78.6	50.0	19,780	9,422	4,336	1,875	2,320
9	Knicks	1	1969-70	825	23.9	11.4	4.9	2.6	4.6	9.7	47.7	2.2	3.0	73.3	52.0	19,730	9,427	4,006	2,135	2,016
10	Lakers	1	1969-70	687	28.9	13.6	6.0	3.0	5.3	11.6	46.1	2.9	3.8	75.4	51.2	19,830	9,327	4,154	2,030	1,896
11	Hawks	1	1969-70	748	26.4	12.9	5.6	2.9	5.1	10.6	48.3	2.7	3.6	75.4	53.1	19,780	9,646	4,210	2,142	2,016
12	Bullets	1	1969-70	745	26.7	13.3	6.3	2.5	5.3	11.5	45.8	2.8	3.6	77.3	50.9	19,905	9,900	4,679	1,881	1,896
13	Bulls	1	1969-70	737	27.0	12.8	5.9	2.9	4.9	11.0	44.4	3.0	3.9	77.2	50.2	19,880	9,423	4,383	2,133	1,863
14	Bucks	1	1969-70	827	23.9	11.8	5.3	2.6	4.7	9.7	48.8	2.3	3.1	73.2	53.1	19,780	9,741	4,419	2,168	1,971
15	Celtics	1	1970-71	802	24.7	12.0	6.0	2.6	4.7	10.7	44.2	2.5	3.3	75.5	49.1	19,780	9,608	4,833	2,052	2,138
16	Knicks	1	1970-71	815	24.2	11.1	5.0	2.2	4.5	9.9	45.0	2.2	2.9	74.0	49.5	19,755	9,026	4,075	1,779	1,916
17	Warriors	1	1970-71	770	25.6	11.4	6.0	2.5	4.5	10.0	44.8	2.4	3.2	76.0	49.9	19,705	8,783	4,643	1,893	1,833
18	Lakers	1	1970-71	732	27.0	12.9	5.8	3.0	5.1	10.7	47.6	2.6	3.7	71.1	52.0	19,755	9,411	4,269	2,205	1,709
19	Royals	1	1970-71	765	25.9	12.4	5.4	2.6	5.0	10.9	45.4	2.5	3.4	72.5	49.9	19,830	9,511	4,151	2,022	2,126
20	Bullets	1	1970-71	779	25.4	11.9	5.8	2.3	4.7	10.7	44.2	2.4	3.2	75.4	49.1	19,805	9,254	4,550	1,772	1,966
21	Bulls	1	1970-71	756	26.1	12.0	5.7	2.8	4.6	10.1	45.2	2.8	3.6	79.0	51.2	19,755	9,070	4,325	2,142	1,797
22	Bucks	1	1970-71	779	25.4	12.5	5.6	2.9	5.1	10.0	50.9	2.3	3.1	74.2	54.9	19,780	9,710	4,344	2,249	1,847
23	Suns	1	1970-71	808	24.5	11.6	5.5	2.4	4.3	9.9	43.7	2.9	3.8	75.6	49.8	19,780	9,333	4,442	1,927	2,132
24	Celtics	1	1971-72	792	24.9	12.0	5.6	2.8	4.8	10.6	45.3	2.3	3.0	77.7	50.0	19,730	9,477	4,462	2,230	2,030
25	Knicks	1	1971-72	826	24.0	10.6	4.7	2.4	4.3	9.3	45.9	2.1	2.8	75.7	50.6	19,805	8,785	3,909	1,985	1,899