what rank is buck williams for all-time rebounding

Buck Williams got 13,017 boards in his career.

	NAME	REB	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
1	Buck Williams B. Williams	1,005	1981-82	NJN	82	34.5	15.5	12.3	1.3	1.0	1.0	6.3	10.7	58.2	0.0	3.0	4.7	62.4	60.3	4.2	8.0	2.9	2,825	1,268	107	84	84	235	285
2	Buck Williams B. Williams	1,027	1982-83	NJN	82	36.1	17.0	12.5	1.5	1.1	1.3	6.5	11.1	58.8	0.0	4.0	6.4	62.0	61.1	4.5	8.1	3.0	2,961	1,396	125	91	110	246	270
3	Buck Williams B. Williams	1,000	1983-84	NJN	81	37.1	15.7	12.3	1.6	1.0	1.5	6.1	11.4	53.5	0.0	3.5	6.1	57.0	55.6	4.4	8.0	2.9	3,003	1,274	130	81	125	237	298
4	Buck Williams B. Williams	1,005	1984-85	NJN	82	38.8	18.2	12.3	2.0	0.8	1.3	7.0	13.3	53.0	25.0	4.1	6.6	62.5	56.2	3.9	8.3	2.9	3,182	1,491	167	63	110	238	293
5	Buck Williams B. Williams	986	1985-86	NJN	82	37.4	15.9	12.0	1.6	0.9	1.2	6.1	11.7	52.3	0.0	3.7	5.4	67.6	56.5	4.0	8.0	3.0	3,070	1,301	131	73	96	244	294
6	Buck Williams B. Williams	1,023	1986-87	NJN	82	36.3	18.0	12.5	1.6	1.0	1.1	6.4	11.4	55.7	0.0	5.2	7.2	73.1	61.6	3.9	8.5	3.4	2,976	1,472	129	78	91	280	315
7	Buck Williams B. Williams	834	1987-88	NJN	70	37.7	18.3	11.9	1.6	1.0	0.6	6.7	11.9	56.0	100.0	4.9	7.4	66.8	60.3	4.3	7.7	2.7	2,637	1,279	109	68	44	189	266
8	Buck Williams B. Williams	696	1988-89	NJN	74	33.1	13.0	9.4	1.1	0.8	0.5	5.0	9.5	53.1	0.0	2.9	4.3	66.6	56.9	3.4	6.0	1.9	2,446	959	78	61	36	142	223
9	Buck Williams B. Williams	800	1989-90	POR	82	34.2	13.6	9.8	1.4	0.8	0.5	5.0	9.2	54.8	0.0	3.5	5.0	70.6	59.7	3.0	6.7	2.0	2,801	1,114	116	69	39	168	285
10	Buck Williams B. Williams	751	1990-91	POR	80	32.3	11.7	9.4	1.2	0.6	0.6	4.5	7.4	60.2		2.7	3.9	70.5	63.9	2.8	6.6	1.7	2,582	933	97	47	47	137	247
11	Buck Williams B. Williams	704	1991-92	POR	80	31.5	11.3	8.8	1.4	0.8	0.5	4.3	7.0	60.4	0.0	2.8	3.7	75.4	65.1	3.3	5.6	1.6	2,519	901	108	62	41	130	244
12	Buck Williams B. Williams	690	1992-93	POR	82	30.5	8.3	8.4	0.9	1.0	0.7	3.3	6.4	51.1	0.0	1.7	2.6	64.5	54.5	2.8	5.6	1.2	2,498	678	75	81	61	101	270
13	Buck Williams B. Williams	843	1993-94	POR	81	32.5	9.7	10.4	1.0	0.7	0.6	3.6	6.5	55.5	0.0	2.5	3.7	67.9	59.8	3.9	6.5	1.4	2,636	783	80	58	47	111	239
14	Buck Williams B. Williams	669	1994-95	POR	82	29.5	9.2	8.2	1.0	0.8	0.8	3.8	7.4	51.2	50.0	1.7	2.5	67.3	54.5	3.1	5.1	1.5	2,422	757	78	67	69	119	254
15	Buck Williams B. Williams	404	1995-96	POR	70	23.9	7.3	5.8	0.6	0.6	0.7	2.7	5.5	50.0	66.7	1.8	2.7	66.8	54.8	2.3	3.5	1.3	1,672	511	42	40	47	90	187
16	Buck Williams B. Williams	397	1996-97	NYK	74	20.2	6.3	5.4	0.7	0.5	0.5	2.4	4.4	53.7	0.0	1.6	2.4	64.2	57.4	2.2	3.1	1.1	1,496	465	53	40	38	79	204	+143
17	Buck Williams B. Williams	183	1997-98	NYK	41	18.0	4.9	4.5	0.5	0.4	0.4	1.8	3.6	50.3		1.3	1.7	73.2	56.0	1.9	2.6	0.9	738	202	21	17	15	38	93	+12
	Average	765.7			76.9	32.5	12.8	10.0	1.3	0.8	0.8	4.9	8.9	54.9	16.7	3.0	4.6	66.4	58.7	3.5	6.5	2.1	2497.9	987.3	96.8	63.5	64.7	163.8	251.0	77.5
	Total	13,017			1,307	32.5	12.8	10.0	1.3	0.8	0.8	4.9	8.9	54.9	16.7	3.0	4.6	66.4	58.7	3.5	6.5	2.1	42,464	16,784	1,646	1,080	1,100	2,784	4,267	+155