how many times has a team won 50 games in a single regular season since 1980

The Boston Celtics have played 22 seasons with 50+ wins since 1979-80.

Interpreted as:

How many times has a team won 50 or more games in a single regular season since 1980?

	TEAM	SEAS	W	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Celtics	22	1,284	1,804	241.7	109.9	44.1	26.1	7.8	5.5	42.1	86.0	49.0	5.9	16.1	36.5	19.9	25.3	78.7	56.6	11.9	32.2	15.5	435,960	198,323	79,527	47,092	14,093	9,914	27,907	38,389
2	Lakers	26	1,507	2,121	241.6	108.6	44.1	26.1	8.5	5.7	41.9	85.6	49.0	4.3	12.5	34.7	20.4	27.3	74.7	55.6	12.9	31.2	15.7	512,415	230,366	93,537	55,352	17,959	12,120	33,261	46,129
3	76ers	13	725	1,066	242.0	110.0	44.7	25.3	9.1	6.2	41.6	85.3	48.7	4.2	11.8	35.6	22.7	29.4	77.3	56.0	13.0	31.7	17.4	257,990	117,279	47,637	26,983	9,736	6,568	18,534	24,145
4	Hawks	10	535	820	241.4	103.8	43.7	23.4	8.9	5.7	39.3	83.8	46.9	3.6	10.5	34.5	21.6	28.2	76.4	54.0	14.2	29.6	15.4	197,925	85,148	35,865	19,149	7,275	4,655	12,633	18,521
5	Thunder	16	921	1,312	241.6	107.2	43.0	23.5	9.4	5.4	39.9	83.7	47.6	6.6	17.9	36.5	20.8	26.8	77.8	56.1	12.3	30.7	15.1	316,955	140,581	56,458	30,848	12,307	7,132	19,798	29,358
6	Suns	20	1,120	1,630	241.5	109.6	43.6	26.2	8.4	5.3	41.8	86.2	48.5	5.6	15.1	37.1	20.3	26.4	77.0	56.0	12.1	31.5	15.6	393,575	178,593	71,037	42,772	13,617	8,673	25,449	35,448
7	Knicks	11	587	902	241.7	103.7	43.1	24.0	8.3	4.4	39.4	83.9	46.9	6.1	17.0	36.0	18.8	24.9	75.5	54.6	12.7	30.4	15.6	217,980	93,515	38,871	21,664	7,517	3,967	14,060	20,609
8	Spurs	26	1,488	2,116	241.6	101.2	43.5	23.0	7.5	5.9	38.3	81.0	47.3	5.6	14.9	37.4	18.9	25.4	74.7	54.9	11.3	32.2	14.7	511,140	214,065	92,086	48,771	15,938	12,395	31,097	43,111
9	Bucks	12	659	975	241.5	111.6	45.3	25.7	8.4	5.5	42.6	88.3	48.3	5.8	16.3	35.4	20.5	27.0	76.0	55.7	12.7	32.6	16.1	235,425	108,772	44,147	25,091	8,225	5,375	15,704	23,348
10	Nuggets	11	584	902	241.3	112.2	43.8	26.1	8.6	5.3	42.1	87.4	48.1	7.7	21.0	36.6	20.3	26.6	76.2	56.6	11.9	32.0	14.5	217,630	101,177	39,523	23,513	7,731	4,760	13,074	19,086
11	Rockets	15	819	1,230	241.5	105.4	44.1	23.1	8.2	5.1	38.8	84.1	46.1	8.8	24.9	35.5	19.0	25.3	75.2	55.4	11.9	32.2	15.2	297,050	129,688	54,224	28,362	10,073	6,253	18,652	25,569
12	Pistons	13	716	1,066	241.7	98.8	42.5	22.4	7.1	5.5	37.4	80.7	46.3	4.1	11.6	35.6	20.0	26.4	75.8	53.6	12.7	29.9	14.2	257,640	105,372	45,320	23,878	7,569	5,838	15,115	23,074
13	Mavericks	16	880	1,312	241.4	104.8	43.0	22.3	7.4	5.1	39.0	83.7	46.6	7.1	19.7	36.3	19.7	24.8	79.3	55.4	11.6	31.4	13.2	316,730	137,512	56,384	29,307	9,754	6,731	17,296	27,473
14	Bulls	12	710	968	241.6	103.3	44.1	25.1	8.5	5.1	40.4	84.6	47.8	4.2	11.6	36.0	18.4	24.5	74.8	54.2	14.0	30.1	14.3	233,845	100,004	42,679	24,309	8,262	4,907	13,882	20,141
15	Trail Blazers	13	704	1,066	242.0	105.7	44.6	23.8	7.8	4.7	39.9	85.3	46.7	5.6	15.7	35.7	20.4	26.6	76.8	54.5	13.2	31.4	14.8	257,965	112,723	47,544	25,359	8,350	5,011	15,751	23,358
16	Cavaliers	13	721	1,066	241.6	106.5	42.9	23.9	7.4	5.0	39.6	83.2	47.6	8.4	22.6	37.1	18.9	25.0	75.6	56.5	10.9	32.0	13.8	257,540	113,568	45,712	25,433	7,902	5,378	14,720	20,729
17	Jazz	17	928	1,384	241.2	104.2	42.4	25.7	8.2	5.2	38.7	80.0	48.5	5.0	13.7	36.6	21.7	28.4	76.4	56.4	11.4	31.0	15.4	333,885	144,222	58,660	35,582	11,282	7,244	21,345	32,112
18	Warriors	9	531	738	241.4	112.6	44.7	27.5	8.9	5.9	42.5	87.3	48.7	10.1	26.4	38.3	17.5	23.0	75.9	57.8	10.8	33.9	15.4	178,145	83,121	32,990	20,324	6,536	4,351	11,329	15,623
19	Magic	7	389	574	241.4	104.1	42.8	22.6	7.3	5.2	38.2	80.3	47.6	8.3	22.2	37.4	19.3	27.6	69.8	56.3	11.4	31.4	14.8	138,585	59,742	24,587	12,981	4,168	2,962	8,478	11,769
20	Pacers	7	385	574	241.4	100.2	41.5	23.3	7.8	4.8	36.9	79.3	46.6	6.6	17.8	37.2	19.7	25.5	77.2	55.3	11.0	30.4	14.8	138,535	57,510	23,801	13,363	4,456	2,781	8,503	12,532
21	Hornets	3	155	246	241.4	98.7	39.7	24.5	7.8	4.3	36.6	77.7	47.1	6.1	15.0	40.5	19.4	25.3	76.8	55.5	11.1	28.6	14.9	59,390	24,280	9,761	6,034	1,908	1,060	3,674	5,144
22	Heat	10	560	820	242.0	99.2	41.3	22.0	7.5	5.0	36.6	77.9	47.0	7.5	20.4	36.8	18.4	24.9	73.9	55.8	10.2	31.1	14.5	198,400	81,316	33,884	18,002	6,172	4,115	11,889	17,741
23	Timberwolves	5	265	410	241.6	100.7	43.4	25.2	7.1	5.5	39.0	83.3	46.8	5.6	15.0	37.5	17.1	21.9	78.1	54.2	11.4	31.9	13.6	99,075	41,287	17,778	10,342	2,907	2,263	5,566	8,631
24	Kings	5	280	410	242.2	102.9	43.7	24.4	8.9	4.6	38.9	84.5	46.0	6.1	16.3	37.6	19.0	24.7	77.0	54.0	11.7	32.0	14.0	99,300	42,201	17,916	10,001	3,654	1,905	5,751	8,093
25	Nets	1	52	82	241.8	96.2	43.3	24.3	8.7	6.0	37.1	83.1	44.6	4.9	14.6	33.8	17.1	23.3	73.5	51.5	12.7	30.7	14.5	19,830	7,889	3,554	1,990	716	490	1,189	1,734