how many teams in the nba won a total of 60 or more games in a single regular season

The Boston Celtics won 22 times in 1946-47.

	TEAM	W	SEASON	GP	MIN	PTS	AST	FGM	FGA	FG%	FTM	FTA	FT%	TS%	PF	MPG	PPG	APG
1	Celtics	22	1946-47	60	14,475	3,605	470	1,397	5,133	27.2	811	1,375	59.0	31.4	1,202	241.3	60.1	7.8
2	Stags	39	1946-47	61	14,715	4,697	436	1,879	6,309	29.8	939	1,550	60.6	33.6	1,473	241.2	77.0	7.1
3	Rebels	30	1946-47	60	14,525	4,251	494	1,674	5,699	29.4	903	1,428	63.2	33.6	1,246	242.1	70.9	8.2
4	Falcons	20	1946-47	60	14,425	3,797	482	1,437	5,843	24.6	923	1,494	61.8	29.2	1,351	240.4	63.3	8.0
5	Knicks	33	1946-47	60	14,600	3,881	457	1,465	5,255	27.9	951	1,438	66.1	33.0	1,218	243.3	64.7	7.6
6	Warriors	35	1946-47	60	14,425	4,118	343	1,510	5,384	28.0	1,098	1,596	68.8	33.8	1,082	240.4	68.6	5.7
7	Ironmen	15	1946-47	60	14,450	3,674	272	1,345	4,961	27.1	984	1,507	65.3	32.7	1,360	240.8	61.2	4.5
8	Steam Rollers	28	1946-47	60	14,500	4,350	481	1,629	5,582	29.2	1,092	1,666	65.5	34.4	1,215	241.7	72.5	8.0
9	Bombers	38	1946-47	61	14,840	4,064	292	1,601	5,877	27.2	862	1,400	61.6	31.3	1,234	243.3	66.6	4.8
10	Huskies	22	1946-47	60	14,425	3,996	463	1,515	5,672	26.7	966	1,552	62.2	31.4	1,271	240.4	66.6	7.7
11	Capitols	49	1946-47	60	14,450	4,428	378	1,723	5,794	29.7	982	1,391	70.6	34.6	1,144	240.8	73.8	6.3
12	Celtics	20	1947-48	48	11,645	3,303	364	1,241	4,323	28.7	821	1,246	65.9	33.9	1,065	242.6	68.8	7.6
13	Stags	28	1947-48	48	11,595	3,640	432	1,390	4,683	29.7	860	1,305	65.9	34.6	1,138	241.6	75.8	9.0
14	Knicks	26	1947-48	48	11,545	3,578	376	1,355	4,724	28.7	868	1,291	67.2	33.8	1,076	240.5	74.5	7.8
15	Warriors	27	1947-48	48	11,670	3,521	335	1,279	4,875	26.2	963	1,349	71.4	32.2	934	243.1	73.4	7.0
16	Steam Rollers	6	1947-48	48	11,570	3,318	347	1,268	4,630	27.4	782	1,275	61.3	32.0	1,105	241.0	69.1	7.2
17	Bombers	29	1947-48	48	11,570	3,432	218	1,297	4,551	28.5	838	1,244	67.4	33.7	1,050	241.0	71.5	4.5
18	Capitols	28	1947-48	48	11,620	3,537	305	1,336	4,785	27.9	865	1,203	71.9	33.3	1,084	242.1	73.7	6.4
19	Bullets	28	1947-48	48	11,595	3,570	320	1,288	4,283	30.1	994	1,443	68.9	36.3	1,080	241.6	74.4	6.7
20	Celtics	25	1948-49	60	14,475	4,593	1,135	1,706	5,483	31.1	1,181	1,856	63.6	36.5	1,382	241.3	76.6	18.9
21	Stags	38	1948-49	60	14,550	5,038	1,220	1,905	5,750	33.1	1,228	1,775	69.2	38.6	1,731	242.5	84.0	20.3
22	Knicks	32	1948-49	60	14,500	4,752	1,017	1,688	5,237	32.2	1,376	1,959	70.2	39.0	1,559	241.7	79.2	17.0
23	Warriors	28	1948-49	60	14,450	5,022	1,043	1,831	5,695	32.2	1,360	1,897	71.7	38.5	1,459	240.8	83.7	17.4
24	Steam Rollers	12	1948-49	60	14,525	4,707	1,026	1,750	5,427	32.2	1,207	1,742	69.3	38.0	1,349	242.1	78.5	17.1
25	Bombers	29	1948-49	60	14,550	4,547	1,269	1,659	4,858	34.1	1,229	1,770	69.4	40.3	1,480	242.5	75.8	21.2