How many NBA teams were there in 1977?

	TEAM	SEASON	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Celtics	1976-77	82	241.8	104.5	51.3	24.5	6.2	3.2	42.2	94.8	44.5	20.1	26.6	75.6	49.1	15.1	36.2	20.4	19,830	8,572	4,207	2,010	506	263	1,673	2,039
2	Knicks	1976-77	82	240.9	108.6	44.6	23.9	8.7	3.7	44.6	91.8	48.6	19.4	25.3	76.4	52.7	11.9	32.7	20.5	19,755	8,905	3,654	1,956	714	304	1,680	2,007
3	Warriors	1976-77	82	241.2	110.9	48.0	25.9	11.0	5.3	45.4	95.5	47.5	20.1	26.5	75.9	51.8	15.9	32.2	19.8	19,780	9,097	3,939	2,120	904	432	1,624	2,058
4	Pistons	1976-77	82	240.6	109.4	44.7	24.4	10.7	5.6	45.9	95.0	48.3	17.6	23.9	73.6	51.8	14.3	30.4	21.0	19,730	8,970	3,664	2,004	877	459	1,718	2,200
5	Lakers	1976-77	82	241.5	106.9	46.4	25.1	9.8	5.4	44.7	93.4	47.8	17.5	23.7	74.0	51.5	14.4	32.0	18.8	19,805	8,763	3,805	2,057	801	445	1,538	1,867
6	Kings	1976-77	82	241.8	107.7	46.5	24.2	10.4	4.7	43.4	94.3	46.0	20.8	26.1	79.7	50.9	14.9	31.6	19.2	19,830	8,828	3,815	1,982	849	386	1,576	2,173
7	76ers	1976-77	82	241.2	110.2	49.3	24.0	9.9	6.8	42.8	89.3	48.0	24.5	33.3	73.6	53.0	15.8	33.6	23.4	19,780	9,034	4,045	1,966	814	561	1,915	2,074
8	Hawks	1976-77	82	240.3	102.4	45.8	23.0	8.9	4.0	40.0	87.5	45.7	22.4	29.9	74.9	50.8	15.2	30.6	21.7	19,705	8,394	3,756	1,882	733	330	1,779	2,302
9	Bullets	1976-77	82	240.6	105.5	48.1	23.6	7.8	5.3	42.9	91.2	47.0	19.8	27.6	71.6	51.0	14.5	33.6	20.5	19,730	8,650	3,943	1,935	642	433	1,677	1,940
10	Bulls	1976-77	82	241.5	98.9	48.7	24.3	8.5	4.4	39.6	87.6	45.2	19.7	26.3	74.7	49.8	15.8	33.0	18.9	19,805	8,111	3,997	1,989	699	364	1,552	1,871
11	Spurs	1976-77	82	240.9	115.0	44.6	25.8	10.5	6.1	45.3	93.4	48.5	24.5	30.8	79.7	53.8	13.5	31.1	21.6	19,755	9,432	3,660	2,115	857	499	1,770	1,966
12	Nuggets	1976-77	82	241.2	112.6	48.6	27.6	11.6	5.7	43.8	91.1	48.1	25.0	33.9	73.8	53.1	15.7	32.9	24.5	19,780	9,233	3,988	2,262	953	471	2,011	2,142
13	Pacers	1976-77	82	240.9	106.8	48.7	24.5	11.3	5.6	43.0	95.6	44.9	20.9	28.0	74.6	49.5	17.2	31.5	19.6	19,755	8,758	3,993	2,009	924	458	1,609	2,030
14	Nets	1976-77	82	240.6	95.9	45.2	17.3	9.8	5.3	37.8	88.1	42.9	20.4	27.7	73.6	47.8	14.1	31.1	19.9	19,730	7,865	3,704	1,422	802	435	1,630	2,178
15	Rockets	1976-77	82	241.2	106.4	47.4	23.3	7.5	5.0	43.1	89.3	48.3	20.2	25.6	78.7	52.9	15.3	32.1	19.5	19,780	8,726	3,886	1,913	616	411	1,600	2,132
16	SuperSonics	1976-77	82	241.5	104.0	46.2	21.6	11.4	6.1	41.9	93.2	45.0	20.1	29.1	69.0	49.1	16.5	29.7	21.5	19,805	8,524	3,788	1,772	932	503	1,759	2,198
17	Bucks	1976-77	82	240.3	108.4	45.6	24.0	9.6	4.2	44.7	95.6	46.8	18.9	25.3	75.0	50.8	14.9	30.7	20.1	19,705	8,889	3,739	1,970	790	342	1,648	2,094
18	Suns	1976-77	82	240.6	104.9	43.3	25.6	9.1	4.2	41.5	88.4	47.0	21.8	28.6	76.4	51.9	12.9	30.4	22.3	19,730	8,603	3,552	2,100	750	346	1,830	2,089
19	Braves	1976-77	82	240.6	105.0	46.8	23.0	8.3	4.8	41.0	91.2	45.0	22.9	30.4	75.4	50.2	14.8	32.0	20.7	19,730	8,612	3,836	1,883	683	392	1,699	1,842
20	Cavaliers	1976-77	82	241.2	102.1	47.3	22.5	7.1	5.8	42.1	93.8	44.9	17.9	24.3	73.7	48.9	16.0	31.3	16.5	19,780	8,370	3,875	1,845	579	472	1,356	1,951
21	Trail Blazers	1976-77	82	240.6	111.7	48.3	24.3	10.6	6.0	44.2	91.9	48.1	23.4	30.7	76.2	53.0	15.4	33.0	21.4	19,730	9,163	3,963	1,990	868	492	1,757	2,220
22	Jazz	1976-77	82	241.2	104.6	49.7	22.6	7.5	4.4	42.0	92.7	45.3	20.6	26.6	77.3	50.1	15.2	34.5	20.8	19,780	8,574	4,077	1,854	613	357	1,706	2,099