how many teams made at least conference finals from 1972-73 to 1977-78

How many teams field goal made at least conference finals from 1972-73 to 1977-78?

Interpreted as:

	TEAM	SERIES	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	Conference Finals	24	242.1	99.9	49.4	21.4			39.8	92.3	43.1	20.3	25.6	79.5	48.3				5,810	2,398	1,186	514				597
2	Knicks	Conference Finals	12	244.2	101.5	40.8	21.3			41.7	90.8	45.9	18.2	23.3	77.9	50.2				2,930	1,218	490	256				314
3	Warriors	Conference Finals	19	242.6	100.6	48.9	21.3	10.7	5.9	41.6	94.2	44.1	17.4	23.1	75.4	48.2				4,610	1,911	929	404	150	83		524
4	Lakers	Conference Finals	9	240.0	108.0	50.1	25.2	9.5	5.5	43.3	91.3	47.4	21.3	27.4	77.7	52.2	12.0	31.3		2,160	972	451	227	38	22		189
5	Bulls	Conference Finals	11	240.0	92.5	43.9	19.6			35.3	83.6	42.2	22.0	30.3	72.7	47.7				2,640	1,018	483	216				233
6	Bucks	Conference Finals	4	240.0	110.5	49.3	29.0			49.5	88.3	56.1	11.5	14.3	80.7	58.5				960	442	197	116				100
7	Bullets	Conference Finals	12	242.1	107.3	49.6	23.1			42.5	92.1	46.2	22.3	29.9	74.7	51.0				2,905	1,288	595	277				302
8	Suns	Conference Finals	7	247.1	104.1	48.3	24.9	8.1	7.4	41.6	90.9	45.8	21.0	28.0	75.0	50.5			21.0	1,730	729	338	174	57	52	147	172
9	Cavaliers	Conference Finals	6	240.0	93.0	40.8	23.0	4.7	4.7	39.5	84.3	46.8	14.0	21.0	66.7	49.7	11.8	29.0		1,440	558	245	138	28	28		143
10	76ers	Conference Finals	12	242.1	109.0	44.4	24.3	7.2	6.1	43.3	91.0	47.6	22.3	30.2	74.0	52.3			18.7	2,905	1,308	533	292	86	73	224	327
11	Rockets	Conference Finals	6	240.0	109.0	46.3	25.0	8.3	3.2	44.3	90.2	49.2	20.3	27.8	73.1	53.2			19.3	1,440	654	278	150	50	19	116	153
12	Trail Blazers	Conference Finals	4	240.0	106.8	42.3	28.0	14.3	4.8	44.3	89.5	49.4	18.3	25.5	71.6	53.0	10.3	32.0		960	427	169	112	57	19		91
13	Nuggets	Conference Finals	6	240.0	107.2	50.5	25.8	5.2	3.5	43.0	96.5	44.6	21.2	26.5	79.9	49.5	17.8	32.7	16.3	1,440	643	303	155	31	21	98	177
14	SuperSonics	Conference Finals	6	240.0	111.7	48.2	21.5	7.2	7.2	41.5	91.8	45.2	28.7	39.5	72.6	51.1	17.7	30.5	13.0	1,440	670	289	129	43	43	78	152