How many teams were in the NBA in 1970?

	TEAM	SEASON	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Celtics	1969-70	82	241.2	114.9	52.9	22.9	44.5	100.4	44.3	26.0	33.1	78.6	50.0	19,780	9,422	4,336	1,875	2,320
2	Knicks	1969-70	82	240.6	115.0	48.9	26.0	46.4	97.3	47.7	22.2	30.3	73.3	52.0	19,730	9,427	4,006	2,135	2,016
3	Warriors	1969-70	82	241.8	111.1	58.2	22.7	43.4	100.3	43.2	24.4	32.3	75.7	48.5	19,830	9,114	4,772	1,862	2,050
4	Pistons	1969-70	82	242.1	112.8	46.7	20.8	43.5	93.4	46.6	25.8	35.1	73.4	51.8	19,855	9,246	3,831	1,709	1,930
5	Lakers	1969-70	82	241.8	113.7	50.7	24.8	44.7	97.0	46.1	24.3	32.2	75.4	51.2	19,830	9,327	4,154	2,030	1,896
6	Royals	1969-70	82	242.4	117.3	50.8	24.3	45.9	100.9	45.5	25.4	34.6	73.3	50.5	19,880	9,616	4,163	1,990	2,217
7	76ers	1969-70	82	240.9	121.9	54.4	25.9	47.7	101.8	46.9	26.4	35.2	75.2	52.0	19,755	9,998	4,463	2,127	2,196
8	Hawks	1969-70	82	241.2	117.6	51.3	26.1	46.5	96.4	48.3	24.5	32.5	75.4	53.1	19,780	9,646	4,210	2,142	2,016
9	Bullets	1969-70	82	242.7	120.7	57.1	22.9	47.9	104.5	45.8	25.0	32.3	77.3	50.9	19,905	9,900	4,679	1,881	1,896
10	Bulls	1969-70	82	242.4	114.9	53.5	26.0	44.0	99.2	44.4	26.9	34.9	77.2	50.2	19,880	9,423	4,383	2,133	1,863
11	Rockets	1969-70	82	241.2	118.7	58.4	24.8	47.1	108.1	43.6	24.4	33.3	73.3	48.3	19,780	9,732	4,786	2,036	2,096
12	SuperSonics	1969-70	82	241.2	116.9	52.6	27.0	45.2	97.9	46.2	26.5	34.8	76.1	51.6	19,780	9,589	4,312	2,214	2,175
13	Bucks	1969-70	82	241.2	118.8	53.9	26.4	47.8	98.1	48.8	23.1	31.6	73.2	53.1	19,780	9,741	4,419	2,168	1,971
14	Suns	1969-70	82	241.5	119.3	51.0	25.3	44.8	95.8	46.8	29.7	39.9	74.4	52.6	19,805	9,786	4,183	2,076	2,183