who was the last player with at least 15.5 rpg in a season

Andre Drummond grabbed 15.6 boards per game in 2018-19.

	NAME	RPG	SEASON	TM	GP	MPG	PPG	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	Andre Drummond A. Drummond	15.6	2018-19	DET	79	33.5	17.3	1.4	1.7	1.7	7.1	13.3	53.3	0.1	0.5	13.2	3.1	5.2	59.0	55.5	5.4	10.2	2.2	2,647	1,370	1,232	112	136	138	175	272	+176
2	Andre Drummond A. Drummond	16.0	2017-18	DET	78	33.7	15.0	3.0	1.5	1.6	6.0	11.3	52.9	0.0	0.1	0.0	3.1	5.1	60.5	55.5	5.1	10.9	2.6	2,625	1,171	1,247	237	114	127	200	250	-57
3	Danny Fortson D. Fortson	16.3	2000-01	GSW	6	33.8	16.7	0.8	0.3	0.0	4.8	8.3	58.0	0.0	0.0		7.0	9.0	77.8	67.8	4.8	11.5	1.7	203	100	98	5	2	0	10	22	-32
4	Dennis Rodman D. Rodman	16.1	1996-97	CHI	55	35.4	5.7	3.1	0.6	0.3	2.3	5.2	44.8	0.1	0.3	26.3	0.9	1.6	56.8	47.9	5.8	10.2	2.0	1,947	311	883	170	32	19	111	172	+573
5	Dennis Rodman D. Rodman	16.8	1994-95	SAS	49	32.0	7.1	2.0	0.6	0.5	2.8	4.9	57.1	0.0	0.0	0.0	1.5	2.3	67.6	60.4	5.6	11.2	2.0	1,568	349	823	97	31	23	98	159
6	Dennis Rodman D. Rodman	17.3	1993-94	SAS	79	37.8	4.7	2.3	0.7	0.4	2.0	3.7	53.4	0.1	0.3	20.8	0.7	1.3	52.0	54.9	5.7	11.6	1.7	2,989	370	1,367	184	52	32	138	229
7	Dennis Rodman D. Rodman	18.3	1992-93	DET	62	38.9	7.5	1.6	0.8	0.7	3.0	6.9	42.7	0.2	1.2	20.5	1.4	2.6	53.4	46.7	5.9	12.3	1.7	2,410	468	1,132	102	48	45	103	201
8	Dennis Rodman D. Rodman	18.7	1991-92	DET	82	40.3	9.8	2.3	0.8	0.9	4.2	7.7	53.9	0.4	1.2	31.7	1.0	1.7	60.0	57.4	6.4	12.3	1.7	3,301	800	1,530	191	68	70	140	248
9	Kevin Willis K. Willis	15.5	1991-92	ATL	81	36.6	18.3	2.1	0.9	0.7	7.3	15.1	48.3	0.1	0.5	16.2	3.6	4.5	80.4	53.5	5.2	10.4	2.4	2,962	1,480	1,258	173	72	54	197	223
10	Moses Malone M. Malone	17.6	1978-79	HOU	82	41.3	24.8	1.8	1.0	1.5	8.7	16.2	54.0				7.3	9.9	73.9	60.4	7.2	10.5	4.0	3,390	2,031	1,444	147	79	119	326	223
11	Truck Robinson T. Robinson	15.7	1977-78	NOJ	82	44.4	22.7	2.1	0.9	1.0	9.1	20.5	44.4				4.5	7.0	64.0	48.1	3.6	12.1	3.7	3,638	1,862	1,288	171	73	79	301	265
12	Kareem Abdul-Jabbar K. Abdul-Jabbar	16.9	1975-76	LAL	82	41.2	27.7	5.0	1.5	4.1	11.1	21.1	52.9				5.5	7.8	70.3	56.7	3.3	13.5		3,379	2,275	1,383	413	119	338		292
13	Dave Cowens D. Cowens	16.0	1975-76	BOS	78	39.8	19.0	4.2	1.2	0.9	7.8	16.7	46.8				3.3	4.4	75.6	50.8	4.3	11.7		3,101	1,479	1,246	325	94	71		314
14	Dave Cowens D. Cowens	15.7	1973-74	BOS	80	41.9	19.0	4.4	1.2	1.3	8.1	18.4	43.7				2.9	3.4	83.2	47.6	3.3	12.4		3,352	1,518	1,257	354	95	101		294
15	Elvin Hayes E. Hayes	18.1	1973-74	CAP	81	44.5	21.4	2.0	1.1	3.0	8.5	20.1	42.3				4.4	6.1	72.1	47.0	4.4	13.7		3,602	1,735	1,463	163	86	240		252
16	Kareem Abdul-Jabbar K. Abdul-Jabbar	16.1	1972-73	MIL	76	42.8	30.2	5.0			12.9	23.3	55.4				4.3	6.1	71.3	58.0				3,254	2,292	1,224	379				208
17	Wilt Chamberlain W. Chamberlain	18.6	1972-73	LAL	82	43.2	13.2	4.5			5.2	7.1	72.7				2.8	5.5	51.0	68.9				3,542	1,084	1,526	365				191
18	Dave Cowens D. Cowens	16.2	1972-73	BOS	82	41.8	20.5	4.1			9.0	20.0	45.2				2.5	3.2	77.9	48.1				3,425	1,684	1,329	333				311
19	Nate Thurmond N. Thurmond	17.1	1972-73	GSW	79	43.3	17.1	3.5			6.5	14.7	44.6				4.0	5.6	71.8	49.9				3,419	1,349	1,349	280				240
20	Wes Unseld W. Unseld	15.9	1972-73	BAL	79	39.1	12.5	4.4			5.3	10.8	49.3				1.9	2.7	70.3	52.3				3,085	991	1,260	347				168
21	Kareem Abdul-Jabbar K. Abdul-Jabbar	16.6	1971-72	MIL	81	44.2	34.8	4.6			14.3	24.9	57.4				6.2	9.0	68.9	60.3				3,583	2,822	1,346	370				235
22	Wilt Chamberlain W. Chamberlain	19.2	1971-72	LAL	82	42.3	14.8	4.0			6.0	9.3	64.9				2.7	6.4	42.2	61.0				3,469	1,213	1,572	329				196
23	Nate Thurmond N. Thurmond	16.1	1971-72	GSW	78	43.1	21.4	2.9			8.1	18.6	43.2				5.3	7.2	74.3	49.2				3,362	1,673	1,252	230				214
24	Wes Unseld W. Unseld	17.6	1971-72	BAL	76	41.7	13.0	3.7			5.4	10.8	49.8				2.3	3.6	62.9	52.5				3,171	989	1,336	278				218
25	Kareem Abdul-Jabbar K. Abdul-Jabbar	16.0	1970-71	MIL	82	40.1	31.7	3.3			13.0	22.5	57.7				5.7	8.3	69.0	60.6				3,288	2,596	1,311	272				264