what is the average blocks per game of centers in 1998

Centers had 1.1 blocks per game in 1997-98.

	NAME	POSITION	BPG	SEASON	GP	MPG	PPG	RPG	APG	SPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Greg Anderson G. Anderson	Center	0.2	1997-98	50	8.0	1.8	2.4	0.3	0.4	0.7	1.6	44.4	0.0	0.1	0.0	0.3	0.8	39.0	44.4	0.8	1.6	0.3	398	88	118	15	19	10	17	85	-71
2	Chris Anstey C. Anstey	Center	0.7	1997-98	41	16.6	5.9	3.8	0.9	0.8	2.2	5.6	39.8	0.1	0.4	18.8	1.3	1.8	71.6	45.5	1.3	2.5	1.0	680	240	157	35	31	27	41	95	-116
3	Isaac Austin I. Austin	Center	0.7	1997-98	78	29.1	13.5	7.1	2.2	0.8	5.2	11.2	46.6	0.0	0.1	0.0	3.1	4.7	66.9	51.2	2.6	4.6	2.6	2,266	1,055	557	175	61	56	206	231	-107
4	Benoit Benjamin B. Benjamin	Center	0.3	1997-98	14	14.1	4.5	3.8	0.2	0.3	1.6	2.9	53.7	0.0	0.0		1.4	2.1	63.3	58.1	1.3	2.5	0.9	197	63	53	3	4	4	12	26	+10
5	Shawn Bradley S. Bradley	Center	3.3	1997-98	64	28.5	11.4	8.1	0.9	0.8	4.7	11.1	42.2	0.0	0.0	33.3	2.0	2.8	72.2	46.3	2.6	5.5	1.5	1,822	731	518	60	51	214	96	214	-133
6	Mark Bryant M. Bryant	Center	0.2	1997-98	70	15.9	4.2	3.5	0.7	0.5	1.6	3.2	48.4	0.0	0.0	0.0	1.0	1.4	76.8	54.5	1.3	2.2	0.8	1,110	291	244	46	36	15	58	180	+170
7	Michael Cage M. Cage	Center	0.6	1997-98	79	15.2	1.3	3.9	0.4	0.6	0.5	1.1	51.2	0.0	0.0	0.0	0.3	0.5	55.6	53.1	1.5	2.4	0.3	1,201	106	308	32	45	44	23	105	+72
8	Antoine Carr A. Carr	Center	0.8	1997-98	66	16.5	5.7	2.0	0.7	0.2	2.3	4.9	46.5	0.0	0.0		1.2	1.5	77.6	51.3	0.6	1.3	0.7	1,086	378	131	48	11	53	48	195	+77
9	Kelvin Cato K. Cato	Center	1.3	1997-98	74	13.6	3.8	3.4	0.3	0.4	1.3	3.1	42.8	0.0	0.0	0.0	1.2	1.7	68.8	49.6	1.2	2.2	0.6	1,007	282	252	23	29	94	44	164	-61
10	Duane Causwell D. Causwell	Center	0.7	1997-98	37	9.8	2.4	2.7	0.1	0.2	1.0	2.4	41.6	0.0	0.0		0.4	0.7	57.7	44.3	0.8	1.9	0.5	363	89	99	5	7	27	18	73	-34
11	Keith Closs K. Closs	Center	1.4	1997-98	58	12.8	4.0	2.9	0.3	0.2	1.6	3.6	44.9	0.0	0.0		0.8	1.3	59.7	48.2	1.1	1.8	0.7	740	232	168	19	12	81	38	73	-108
12	Marty Conlon M. Conlon	Center	0.3	1997-98	18	11.6	4.9	2.6	0.7	0.5	1.6	3.4	45.2	0.0	0.0		1.8	2.4	72.7	54.1	0.9	1.7	0.6	209	88	46	12	9	5	11	27	+35
13	William Cunningham W. Cunningham	Center	0.0	1997-98	7	5.6	1.1	1.4	0.1	0.3	0.6	1.3	44.4	0.0	0.0		0.0	0.0		44.4	0.6	0.9	0.0	39	8	10	1	2	0	0	10	+15
14	Erick Dampier E. Dampier	Center	1.7	1997-98	82	32.4	11.8	8.7	1.1	0.5	4.3	9.6	44.5	0.0	0.0	0.0	3.3	4.9	66.9	50.2	3.3	5.4	2.1	2,656	971	715	94	39	139	175	281	-502
15	Yinka Dare Y. Dare	Center	0.2	1997-98	10	6.0	1.2	1.7	0.1	0.0	0.4	1.8	22.2	0.0	0.0		0.4	0.8	50.0	27.9	1.0	0.7	0.2	60	12	17	1	0	2	2	9	-23
16	Antonio Davis A. Davis	Center	0.9	1997-98	82	26.7	9.6	6.8	0.7	0.5	3.1	6.4	48.1	0.0	0.0	0.0	3.4	4.9	69.6	55.8	2.3	4.5	1.3	2,191	785	560	61	45	72	103	234	+178
17	Andrew DeClercq A. DeClercq	Center	0.6	1997-98	81	18.8	5.4	4.8	0.7	1.0	2.1	4.2	49.7	0.0	0.0	0.0	1.2	2.1	60.1	53.0	2.2	2.6	1.0	1,523	439	392	59	85	49	84	277	-96
18	Bison Dele B. Dele	Center	0.7	1997-98	78	33.6	16.2	8.9	1.2	0.9	6.8	13.3	51.1	0.0	0.0	33.3	2.5	3.6	70.7	54.2	2.9	6.1	2.3	2,619	1,261	695	94	67	55	181	252	+31
19	Vlade Divac V. Divac	Center	1.5	1997-98	64	28.2	10.4	8.1	2.7	1.3	4.2	8.4	49.8	0.0	0.2	21.4	2.0	2.9	69.1	53.9	2.9	5.2	1.8	1,805	667	518	172	83	94	114	179	+208
20	Chris Dudley C. Dudley	Center	1.0	1997-98	51	16.8	3.1	5.4	0.4	0.3	1.1	2.8	40.6	0.0	0.0		0.8	1.8	44.6	42.8	2.1	3.3	0.9	858	157	275	21	13	51	44	139	+117
21	Patrick Ewing P. Ewing	Center	2.2	1997-98	26	32.6	20.8	10.2	1.1	0.6	7.8	15.5	50.4	0.0	0.1	0.0	5.2	7.2	72.0	55.7	2.3	7.9	3.0	848	540	265	28	16	58	77	74	+84
22	Tony Farmer T. Farmer	Center	0.1	1997-98	27	6.3	2.5	1.2	0.2	0.4	0.6	2.0	32.1	0.1	0.3	22.2	1.1	1.4	79.5	47.7	0.6	0.6	0.3	169	67	32	5	10	4	9	23	-18
23	Greg Foster G. Foster	Center	0.4	1997-98	78	18.5	5.7	3.5	0.7	0.2	2.4	5.4	44.5	0.0	0.1	22.2	0.9	1.1	77.0	48.3	1.1	2.4	0.9	1,446	441	273	51	15	28	68	187	+97
24	Adonal Foyle A. Foyle	Center	0.9	1997-98	55	11.9	3.0	3.3	0.3	0.2	1.3	3.1	40.6	0.0	0.0	0.0	0.5	1.1	43.5	41.8	1.3	2.0	0.9	656	165	184	14	13	52	50	94	-165
25	Todd Fuller T. Fuller	Center	0.3	1997-98	57	10.8	4.0	3.4	0.2	0.1	1.5	3.6	42.0	0.0	0.1	0.0	1.0	1.4	68.8	47.3	1.1	2.4	0.6	613	227	196	10	6	16	37	89	-45
	Total		1.1		4,679	21.2	7.9	5.6	1.0	0.5	3.1	6.4	48.2	0.0	0.2	28.7	1.7	2.6	66.7	52.6	1.9	3.7	1.2	99,158	37,066	26,191	4,498	2,464	5,035	5,847	12,107	+235
	Average		1.1		54.4	21.2	7.9	5.6	1.0	0.5	3.1	6.4	48.2	0.0	0.2	28.7	1.7	2.6	66.7	52.6	1.9	3.7	1.2	1153.0	431.0	304.5	52.3	28.7	58.5	68.0	140.8	2.7