how many nba teams have won three road games in a playoff series in same year

The Philadelphia Warriors won 3 times on the road in 1946-47.

Interpreted as:

How many NBA teams have won three or more road games in a playoff series in same year?

	TEAM	W	SEASON	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Warriors	3	1946-47	5	240.0	69.2			25.0			19.2	25.0	76.8		1,200	346			101
2	Bullets	3	1947-48	6	240.0	70.8			21.5			27.8	36.0	77.3		1,440	425			165
3	Lakers	3	1948-49	5	240.0	82.2			28.2			25.8	33.4	77.2		1,200	411			121
4	Lakers	5	1949-50	7	240.0	80.1			28.7			22.7	31.3	72.6		1,680	561			172
5	Knicks	3	1951-52	8	249.4	84.3			27.5			29.3	39.4	74.3		1,995	674			254
6	Lakers	3	1951-52	6	248.3	82.3			30.7			21.0	29.0	72.4		1,490	494			173
7	Knicks	3	1952-53	5	240.0	81.8			28.8			24.2	34.0	71.2		1,200	409			141
8	Lakers	4	1952-53	6	240.0	85.0			30.2			24.7	35.3	69.8		1,440	510			192
9	Lakers	3	1953-54	5	240.0	79.4			28.2			23.0	31.4	73.2		1,200	397			158
10	Nationals	5	1953-54	7	243.6	79.6			26.7			26.1	39.6	66.1		1,705	557			196
11	Hawks	4	1957-58	5	240.0	112.4			38.8	94.6	41.0	34.8	45.0	77.3	49.1	1,200	562			146
12	Celtics	3	1959-60	6	240.0	106.8	58.7	18.2	39.8	105.0	37.9	27.2	36.2	75.1	44.2	1,440	641	352	109	158
13	Lakers	3	1959-60	5	245.0	107.0			40.6			25.8	35.0	73.7		1,225	535			137
14	Hawks	3	1959-60	7	240.0	107.3	54.7		41.6	96.7	43.0	24.1	33.0	73.2	48.2	1,680	751	383		156
15	Lakers	4	1961-62	7	243.6	117.3			41.6			34.1	44.0	77.6		1,705	821			190
16	Celtics	4	1962-63	6	240.0	111.8	54.2	23.3	43.5	103.8	41.9	24.8	33.7	73.8	47.1	1,440	671	325	140	168
17	Royals	3	1962-63	7	243.6	125.0	56.4		44.7	97.1	46.0	35.6	45.4	78.3	53.4	1,705	875	395		204
18	Celtics	6	1965-66	8	240.0	118.6	55.4	22.6	43.0	94.8	45.4	32.6	41.1	79.3	52.6	1,920	949	443	181	219
19	Lakers	3	1965-66	7	243.6	114.7	54.3	15.7	44.0	98.4	44.7	26.7	36.3	73.6	50.1	1,705	803	380	110	172
20	Hawks	3	1965-66	6	240.0	112.2	50.7	23.7	41.2	94.5	43.6	29.8	39.3	75.8	50.2	1,440	673	304	142	153
21	Warriors	3	1966-67	7	243.6	112.1	66.6	19.3	42.6	112.1	38.0	27.0	36.6	73.8	43.7	1,705	785	466	135	204
22	76ers	5	1966-67	7	240.0	118.6	59.3	21.9	44.1	100.0	44.1	30.3	44.6	67.9	49.6	1,680	830	415	153	160
23	Celtics	7	1967-68	10	240.0	118.1	57.4	24.0	45.5	95.3	47.7	27.1	36.5	74.2	53.0	2,400	1,181	574	240	279
24	Lakers	4	1967-68	7	243.6	109.4	54.1	17.6	41.7	94.7	44.0	26.0	37.1	70.0	49.3	1,705	766	379	123	180
25	76ers	3	1967-68	6	240.0	109.8	52.5	18.0	40.3	91.5	44.1	29.2	43.3	67.3	49.7	1,440	659	315	108	141