how many times did al jefferson score 20

Al Jefferson played 915 games in his career.

Interpreted as:

How many times in the regular season did Al Jefferson score 20?

	NAME	GP	SEASON	TM	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Al Jefferson A. Jefferson	71	2004-05	BOS	14.8	6.7	4.4	0.3	0.3	0.8	2.7	5.2	52.8	0.0	0.0	1.2	1.9	63.0	55.4	1.7	2.7	0.9	1,051	475	312	24	22	55	66	195	-44
2	Al Jefferson A. Jefferson	59	2005-06	BOS	18.0	7.9	5.1	0.5	0.5	0.8	3.2	6.4	49.9	0.1	0.0	1.5	2.3	64.2	53.0	1.6	3.4	1.1	1,062	464	299	30	30	46	62	166	-109
3	Al Jefferson A. Jefferson	69	2006-07	BOS	33.6	16.0	11.0	1.3	0.7	1.5	6.6	12.8	51.4	0.0	0.0	2.9	4.3	68.1	54.7	3.4	7.5	2.0	2,319	1,107	756	88	48	106	136	232	-166
4	Al Jefferson A. Jefferson	82	2007-08	MIN	35.6	21.0	11.1	1.4	0.9	1.5	8.8	17.6	50.0	0.1	0.0	3.5	4.8	72.1	53.5	3.8	7.4	2.0	2,919	1,726	911	117	74	119	167	222	-550
5	Al Jefferson A. Jefferson	50	2008-09	MIN	36.7	23.1	11.0	1.6	0.8	1.7	9.7	19.5	49.7	0.1	0.0	3.7	5.0	73.8	53.2	3.4	7.5	1.8	1,836	1,156	548	79	39	83	92	141	-106
6	Al Jefferson A. Jefferson	76	2009-10	MIN	32.4	17.1	9.3	1.8	0.8	1.3	7.4	14.8	49.8	0.1	0.0	2.4	3.5	68.0	52.4	2.4	6.9	1.8	2,463	1,301	703	137	63	98	136	205	-517
7	Al Jefferson A. Jefferson	82	2010-11	UTA	35.9	18.6	9.7	1.8	0.6	1.9	8.0	16.1	49.6	0.0		2.7	3.5	76.1	52.8	2.9	6.8	1.3	2,940	1,528	794	149	46	153	105	238	-170
8	Al Jefferson A. Jefferson	61	2011-12	UTA	34.0	19.2	9.6	2.2	0.8	1.7	8.5	17.2	49.2	0.1	25.0	2.2	2.9	77.4	52.0	2.2	7.4	1.0	2,075	1,170	585	134	47	101	62	155	+162
9	Al Jefferson A. Jefferson	78	2012-13	UTA	33.1	17.8	9.2	2.1	1.0	1.1	7.8	15.8	49.4	0.2	11.8	2.1	2.8	77.0	52.2	2.0	7.2	1.3	2,578	1,391	720	164	80	89	105	170	-158
10	Al Jefferson A. Jefferson	73	2013-14	CHA	35.0	21.8	10.8	2.1	0.9	1.1	9.6	18.8	50.9	0.2	20.0	2.6	3.8	69.0	53.2	2.1	8.7	1.7	2,553	1,594	792	155	67	79	124	176	+33
11	Al Jefferson A. Jefferson	65	2014-15	CHA	30.6	16.6	8.4	1.7	0.7	1.3	7.5	15.5	48.1	0.1	40.0	1.7	2.5	65.5	50.0	1.5	6.9	1.0	1,992	1,082	548	113	47	84	68	139	-116
12	Al Jefferson A. Jefferson	47	2015-16	CHA	23.3	12.0	6.4	1.5	0.6	0.9	5.2	10.7	48.5	0.0		1.5	2.4	64.9	50.7	1.2	5.2	0.7	1,096	562	301	70	30	41	34	117	+46
13	Al Jefferson A. Jefferson	66	2016-17	IND	14.1	8.1	4.2	0.9	0.3	0.2	3.6	7.1	49.9	0.0	0.0	1.0	1.3	76.5	52.6	1.1	3.1	0.5	931	535	278	57	19	16	33	125	-99
14	Al Jefferson A. Jefferson	36	2017-18	IND	13.4	7.0	4.0	0.8	0.4	0.6	3.1	5.8	53.4	0.1	0.0	0.8	1.0	83.3	56.3	0.8	3.1	0.6	484	252	143	30	16	23	21	66	-12
	Average	65.4			28.7	15.7	8.4	1.5	0.7	1.2	6.7	13.5	49.9	0.1	12.1	2.2	3.1	71.1	52.8	2.2	6.2	1.3	1878.5	1024.5	549.3	96.2	44.9	78.1	86.5	167.6	-129.0
	Total	915			28.7	15.7	8.4	1.5	0.7	1.2	6.7	13.5	49.9	0.1	12.1	2.2	3.1	71.1	52.8	2.2	6.2	1.3	26,299	14,343	7,690	1,347	628	1,093	1,211	2,347	-1806