how much games does charles barkley have with less than 20 in the playoffs

Charles Barkley had 123 games played in the playoffs in his career.

	NAME	GP	SEASON	TM	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	13	1984-85	PHI	31.4	14.9	11.1	2.0	1.8	1.2	5.8	10.7	54.0	0.3	0.5	66.7	3.1	4.8	63.5	58.2	4.0	7.1	2.7	408	194	144	26	23	15	35	49
2	Charles Barkley C. Barkley	12	1985-86	PHI	41.4	25.0	15.8	5.6	2.3	1.3	8.7	15.0	57.8	0.1	1.3	6.7	7.6	10.9	69.5	63.1	5.0	10.8	5.4	497	300	189	67	27	15	65	52
3	Charles Barkley C. Barkley	5	1986-87	PHI	42.0	24.6	12.6	2.4	0.8	1.6	8.6	15.0	57.3	0.2	1.6	12.5	7.2	9.0	80.0	64.9	5.4	7.2	4.4	210	123	63	12	4	8	22	21
4	Charles Barkley C. Barkley	3	1988-89	PHI	45.0	27.0	11.7	5.3	1.7	0.7	9.7	15.0	64.4	0.3	1.7	20.0	7.3	10.3	71.0	69.1	2.7	9.0	3.7	135	81	35	16	5	2	11	9
5	Charles Barkley C. Barkley	10	1989-90	PHI	41.9	24.7	15.5	4.3	0.8	0.7	8.8	16.2	54.3	0.6	1.8	33.3	6.5	10.8	60.2	58.9	6.6	8.9	3.0	419	247	155	43	8	7	30	36
6	Charles Barkley C. Barkley	8	1990-91	PHI	40.8	24.9	10.5	6.0	1.9	0.4	9.3	15.6	59.2	0.3	2.5	10.0	6.1	9.4	65.3	63.0	3.9	6.6	3.1	326	199	84	48	15	3	25	23
7	Charles Barkley C. Barkley	24	1992-93	PHX	42.8	26.6	13.6	4.3	1.6	1.0	9.6	20.1	47.7	0.4	1.9	22.2	7.0	9.1	77.1	55.2	3.9	9.7	2.1	1,026	638	326	102	39	25	50	73
8	Charles Barkley C. Barkley	10	1993-94	PHX	42.5	27.6	13.0	4.8	2.5	0.9	11.0	21.6	50.9	1.4	4.0	35.0	4.2	5.5	76.4	57.5	3.4	9.6	2.7	425	276	130	48	25	9	27	26
9	Charles Barkley C. Barkley	10	1994-95	PHX	39.0	25.7	13.4	3.2	1.3	1.1	9.1	18.2	50.0	0.9	3.5	25.7	6.6	9.0	73.3	58.0	3.9	9.5	2.5	390	257	134	32	13	11	25	28
10	Charles Barkley C. Barkley	4	1995-96	PHX	41.0	25.5	13.5	3.8	1.0	1.0	7.8	17.5	44.3	0.8	3.0	25.0	9.3	11.8	78.7	56.2	4.5	9.0	1.5	164	102	54	15	4	4	6	15
11	Charles Barkley C. Barkley	16	1996-97	HOU	37.8	17.9	12.0	3.4	1.2	0.4	5.4	12.4	43.4	0.7	2.4	28.9	6.4	8.4	76.9	55.7	4.0	8.0	2.7	605	286	192	54	19	7	43	52	+25
12	Charles Barkley C. Barkley	4	1997-98	HOU	21.8	9.0	5.3	1.0	1.3	0.0	3.0	5.8	52.2	0.0	0.5	0.0	3.0	5.3	57.1	55.8	1.3	4.0	1.5	87	36	21	4	5	0	6	12	-5
13	Charles Barkley C. Barkley	4	1998-99	HOU	39.3	23.5	13.8	3.8	1.5	0.5	9.0	17.0	52.9	0.5	1.8	28.6	5.0	7.5	66.7	57.9	3.3	10.5	2.0	157	94	55	15	6	2	8	12	-19
	Average	9.5			39.4	23.0	12.9	3.9	1.6	0.9	8.2	16.0	51.3	0.5	2.0	25.5	6.1	8.5	71.7	58.4	4.1	8.7	2.9	373.0	217.9	121.7	37.1	14.8	8.3	27.2	31.4	0.3
	Total	123			39.4	23.0	12.9	3.9	1.6	0.9	8.2	16.0	51.3	0.5	2.0	25.5	6.1	8.5	71.7	58.4	4.1	8.7	2.9	4,849	2,833	1,582	482	193	108	353	408	+1