How many NBA teams were there in 1989?

	TEAM	SEASON	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	1988-89	82	241.2	109.2	44.2	26.7	7.8	5.1	42.9	87.1	49.3	1.0	3.8	25.2	22.4	28.6	78.3	54.8	14.4	29.8	16.3	19,780	8,958	3,621	2,189	639	418	1,336	1,876
2	Knicks	1988-89	82	241.5	116.7	43.7	25.4	11.0	5.4	45.1	92.8	48.6	4.7	14.0	33.7	21.7	28.9	75.2	55.3	16.1	27.6	19.2	19,805	9,567	3,587	2,083	900	446	1,572	2,053
3	Warriors	1988-89	82	242.7	116.6	47.4	24.5	10.1	7.8	45.5	97.3	46.8	2.4	7.7	30.8	23.2	29.1	79.9	52.9	16.1	31.2	18.1	19,905	9,558	3,884	2,009	831	643	1,488	1,946
4	Pistons	1988-89	82	241.8	106.6	45.1	24.7	6.4	5.0	41.4	83.9	49.4	1.5	4.9	30.0	22.3	29.0	76.9	55.1	14.1	31.0	16.3	19,830	8,740	3,700	2,027	522	406	1,336	1,939
5	Lakers	1988-89	82	241.5	114.7	45.2	27.8	8.8	5.1	43.7	87.1	50.2	2.8	8.1	34.0	24.5	30.6	80.2	57.0	13.3	31.9	16.4	19,805	9,406	3,706	2,282	724	421	1,344	1,672
6	Kings	1988-89	82	241.2	105.5	43.8	24.0	7.6	5.0	41.0	89.6	45.7	3.7	10.0	37.3	19.8	25.7	77.0	52.3	13.9	29.9	16.7	19,780	8,651	3,595	1,970	624	409	1,370	1,877
7	76ers	1988-89	82	241.2	111.9	42.7	25.7	8.4	4.3	42.7	87.8	48.6	2.5	7.9	31.6	24.0	30.5	78.7	55.2	13.9	28.7	14.8	19,780	9,174	3,499	2,110	689	354	1,214	1,721
8	Hawks	1988-89	82	241.5	111.0	45.0	24.3	10.0	5.8	41.6	88.2	47.2	1.3	4.8	27.7	26.4	33.0	80.0	54.0	16.7	28.2	16.0	19,805	9,102	3,688	1,990	817	474	1,310	1,880
9	Bullets	1988-89	82	242.1	108.3	44.0	25.0	8.5	4.0	42.9	92.6	46.4	0.6	3.0	21.4	21.8	28.3	77.2	51.6	15.3	28.7	15.7	19,855	8,879	3,608	2,048	694	325	1,291	2,054
10	Bulls	1988-89	82	241.2	106.4	42.3	27.0	8.8	4.6	42.0	85.0	49.5	2.1	6.5	32.8	20.2	25.7	78.6	55.3	12.4	29.9	16.2	19,780	8,726	3,471	2,213	722	376	1,327	1,855
11	Spurs	1988-89	82	240.9	105.5	42.4	24.8	11.7	5.2	42.3	90.4	46.8	0.8	3.6	21.5	20.1	28.9	69.8	51.2	15.8	26.6	20.9	19,755	8,652	3,476	2,037	961	423	1,712	2,153
12	Nuggets	1988-89	82	242.4	118.0	45.4	27.8	9.9	5.3	46.5	99.3	46.8	2.8	8.2	33.7	22.2	28.2	78.7	52.8	14.7	30.6	14.9	19,880	9,675	3,719	2,282	811	436	1,225	2,088
13	Pacers	1988-89	82	242.1	106.9	43.4	24.5	6.9	5.1	41.3	84.7	48.7	2.5	7.5	32.8	21.9	27.7	78.9	55.2	13.0	30.5	18.9	19,855	8,767	3,562	2,012	563	418	1,547	2,105
14	Nets	1988-89	82	241.5	103.7	44.2	21.9	9.4	5.3	40.6	88.1	46.1	2.3	6.9	32.9	20.2	27.6	73.1	51.7	14.7	29.5	17.7	19,805	8,506	3,623	1,793	773	431	1,449	1,966
15	Rockets	1988-89	82	242.1	108.5	45.9	24.6	9.6	6.1	41.6	87.8	47.4	2.0	6.4	31.4	23.3	30.8	75.5	53.5	14.8	31.1	19.1	19,855	8,897	3,765	2,016	789	501	1,569	2,026
16	SuperSonics	1988-89	82	241.2	112.1	44.3	25.4	10.5	6.0	43.5	91.2	47.7	3.6	9.4	37.9	21.6	29.0	74.6	53.9	17.0	27.3	17.1	19,780	9,196	3,635	2,083	864	494	1,403	2,027
17	Bucks	1988-89	82	240.9	108.9	41.5	25.3	10.0	3.9	41.5	87.4	47.4	2.2	6.9	31.6	23.8	29.0	82.1	54.4	13.8	27.7	15.9	19,755	8,932	3,405	2,071	821	323	1,305	1,953
18	Suns	1988-89	82	240.9	118.6	45.3	27.8	8.5	5.1	45.8	92.0	49.8	2.0	5.9	34.9	25.0	31.6	79.1	56.0	13.4	31.9	15.6	19,755	9,727	3,714	2,280	693	416	1,279	1,933
19	Clippers	1988-89	82	242.1	106.2	43.2	26.9	9.9	6.5	43.0	90.6	47.5	0.7	2.9	23.1	19.6	27.1	72.3	51.8	14.1	29.1	20.3	19,855	8,712	3,540	2,208	815	530	1,666	1,937
20	Cavaliers	1988-89	82	240.9	108.8	42.8	27.6	9.6	7.1	42.3	84.2	50.2	2.1	5.8	35.9	22.2	29.7	74.7	55.9	12.6	30.2	16.1	19,755	8,923	3,508	2,260	791	586	1,323	1,592
21	Trail Blazers	1988-89	82	241.8	114.6	45.9	27.0	10.1	4.7	45.1	95.1	47.4	2.6	7.9	33.5	21.8	29.5	74.0	53.0	16.9	29.0	17.5	19,830	9,395	3,765	2,212	828	388	1,435	2,026
22	Jazz	1988-89	82	240.6	104.7	44.6	25.7	8.8	7.1	38.8	80.4	48.2	1.4	4.6	30.0	25.7	33.4	77.0	55.0	12.8	31.8	18.7	19,730	8,588	3,657	2,108	720	583	1,532	1,894
23	Mavericks	1988-89	82	241.2	103.5	42.0	22.8	7.1	5.8	39.6	84.4	46.9	2.6	8.3	31.0	21.8	27.6	78.9	53.6	12.8	29.2	15.0	19,780	8,484	3,445	1,867	579	476	1,233	1,739
24	Heat	1988-89	82	242.1	97.8	42.9	23.9	9.1	5.0	39.3	86.8	45.3	1.2	3.6	32.6	18.0	25.6	70.2	49.8	16.0	27.0	21.1	19,855	8,016	3,520	1,958	744	408	1,728	2,124
25	Hornets	1988-89	82	241.2	104.5	40.7	28.3	8.6	3.2	41.8	90.6	46.1	1.6	5.2	31.2	19.3	25.1	76.7	51.4	13.9	26.8	16.1	19,780	8,566	3,338	2,323	705	264	1,318	2,068