how many teams have charles barkly been on

Charles Barkley played 16 seasons for the 76ers, Suns and Rockets. He averaged 22.1 points, 11.7 rebounds and 3.9 assists in 1,073 regular-season games. He was selected to play in 11 All-Star games, and won 1 MVP award. He was inducted into the Hall of Fame in 2006.

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How many teams have charles barkly been on in his career?

	NAME	SEASON	TM	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	Charles Barkley C. Barkley	1984-85	PHI	82	28.6	14.0	8.6	1.9	1.2	1.0	5.2	9.5	54.5	0.0	0.1	16.7	3.6	4.9	73.3	59.9	3.2	5.3	2.5	2,347	1,148	703	155	95	80	209	301
2	Charles Barkley C. Barkley	1985-86	PHI	80	36.9	20.0	12.8	3.9	2.2	1.6	7.4	13.0	57.2	0.2	0.9	22.7	5.0	7.2	68.5	61.9	4.4	8.4	4.4	2,952	1,603	1,026	312	173	125	350	333
3	Charles Barkley C. Barkley	1986-87	PHI	68	40.3	23.0	14.6	4.9	1.8	1.5	8.2	13.8	59.4	0.3	1.5	20.2	6.3	8.3	76.1	66.0	5.7	8.9	4.7	2,740	1,564	994	331	119	104	322	252
4	Charles Barkley C. Barkley	1987-88	PHI	80	39.6	28.3	11.9	3.2	1.3	1.3	9.4	16.0	58.7	0.6	2.0	28.0	8.9	11.9	75.1	66.5	4.8	7.1	3.8	3,170	2,264	951	254	100	103	304	278
5	Charles Barkley C. Barkley	1988-89	PHI	79	39.1	25.8	12.5	4.1	1.6	0.8	8.9	15.3	57.9	0.4	2.1	21.6	7.6	10.1	75.3	65.3	5.1	7.4	3.2	3,088	2,037	986	325	126	67	254	262
6	Charles Barkley C. Barkley	1989-90	PHI	79	39.1	25.2	11.5	3.9	1.9	0.6	8.9	14.9	60.0	0.3	1.2	21.7	7.1	9.4	74.9	66.1	4.6	6.9	3.1	3,085	1,989	909	307	148	50	243	250
7	Charles Barkley C. Barkley	1990-91	PHI	67	37.3	27.6	10.1	4.2	1.6	0.5	9.9	17.4	57.0	0.7	2.3	28.4	7.1	9.8	72.2	63.5	3.9	6.3	3.1	2,498	1,849	680	284	110	33	210	173
8	Charles Barkley C. Barkley	1991-92	PHI	75	38.4	23.1	11.1	4.1	1.8	0.6	8.3	15.0	55.2	0.4	1.8	23.4	6.1	8.7	69.5	61.2	3.6	7.5	3.1	2,881	1,730	830	308	136	44	235	196
9	Charles Barkley C. Barkley	1992-93	PHX	76	37.6	25.6	12.2	5.1	1.6	1.0	9.4	18.1	52.0	0.9	2.9	30.5	5.9	7.7	76.5	59.6	3.1	9.1	3.1	2,859	1,944	928	385	119	74	233	196
10	Charles Barkley C. Barkley	1993-94	PHX	65	35.4	21.6	11.2	4.6	1.6	0.6	8.0	16.1	49.5	0.7	2.7	27.0	4.9	7.0	70.4	56.3	3.0	8.1	3.2	2,298	1,402	727	296	101	37	206	160
11	Charles Barkley C. Barkley	1994-95	PHX	68	35.0	23.0	11.1	4.1	1.6	0.7	8.1	16.8	48.6	1.1	3.2	33.8	5.6	7.5	74.8	57.2	3.0	8.1	2.2	2,382	1,561	756	276	110	45	150	201
12	Charles Barkley C. Barkley	1995-96	PHX	71	37.1	23.2	11.6	3.7	1.6	0.8	8.2	16.3	50.0	0.7	2.5	28.0	6.2	8.0	77.7	58.5	3.4	8.1	3.1	2,632	1,649	821	262	114	56	218	208
13	Charles Barkley C. Barkley	1996-97	HOU	53	37.9	19.2	13.5	4.7	1.3	0.5	6.3	13.1	48.4	1.1	3.9	28.3	5.4	7.8	69.4	58.1	4.0	9.5	2.8	2,009	1,016	716	248	69	25	151	153	+312
14	Charles Barkley C. Barkley	1997-98	HOU	68	33.0	15.2	11.7	3.2	1.0	0.4	5.3	10.9	48.5	0.3	1.2	21.4	4.4	5.8	74.6	56.4	3.5	8.1	2.2	2,243	1,036	794	217	71	28	147	187	+91
15	Charles Barkley C. Barkley	1998-99	HOU	42	36.3	16.1	12.3	4.6	1.0	0.3	5.7	12.0	47.8	0.1	0.6	16.0	4.6	6.4	71.9	54.6	4.0	8.3	2.4	1,526	676	516	192	43	13	100	89	+135
16	Charles Barkley C. Barkley	1999-00	HOU	20	31.0	14.5	10.5	3.2	0.7	0.2	5.3	11.1	47.7	0.3	1.3	23.1	3.6	5.5	64.5	53.4	3.6	6.9	2.2	620	289	209	63	14	4	44	48	-6
	Average			67.1	36.7	22.1	11.7	3.9	1.5	0.8	7.9	14.5	54.1	0.5	1.9	26.6	5.9	8.1	73.5	61.2	4.0	7.7	3.1	2458.1	1484.8	784.1	263.4	103.0	55.5	211.0	205.4	133.0
	Total			1,073	36.7	22.1	11.7	3.9	1.5	0.8	7.9	14.5	54.1	0.5	1.9	26.6	5.9	8.1	73.5	61.2	4.0	7.7	3.1	39,330	23,757	12,546	4,215	1,648	888	3,376	3,287	+532