How many errors per game did the yankees average in the postseason?

	TEAM	G	SEASON	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Yankees	8	1921	.375	3	5	241	22	50	7	1	2	20	27	1	44	6	7	276	65	10	7		0	2	.207	.290	.270	.560
2	Yankees	5	1922	.000	0	4	158	11	32	6	1	2	11	8	2	20	2	1	172	46	9	4		1	1	.203	.250	.291	.541
3	Yankees	6	1923	.667	4	2	205	30	60	8	4	5	29	20	1	22	1	0	230	91	17	4		0	5	.293	.358	.444	.802
4	Yankees	7	1926	.429	3	4	223	21	54	10	1	4	20	31	1	31	1	3	262	78	15	7		2	5	.242	.337	.350	.687
5	Yankees	4	1927	1.000	4	0	136	23	38	6	2	2	19	13	1	25	2	0	152	54	10	2		1	2	.279	.347	.397	.744
6	Yankees	4	1928	1.000	4	0	134	27	37	7	0	9	25	13	1	13	4	0	151	71	16	3		0	3	.276	.345	.530	.874
7	Yankees	4	1932	1.000	4	0	144	37	45	6	0	8	36	23	4	26	0	2	172	75	14	1		3	5	.313	.421	.521	.942
8	Yankees	6	1936	.667	4	2	215	43	65	8	1	7	41	26	1	35	1	5	245	96	16	3		1	3	.302	.380	.447	.827
9	Yankees	5	1937	.800	4	1	169	28	42	6	4	4	25	21	1	21	0	0	193	68	14	2		4	4	.249	.335	.402	.737
10	Yankees	4	1938	1.000	4	0	135	22	37	6	1	5	21	11	1	16	3	2	148	60	12	1		1	2	.274	.333	.444	.778
11	Yankees	4	1939	1.000	4	0	131	20	27	4	1	7	18	9	0	20	0	0	142	54	12	2		1	1	.206	.257	.412	.669
12	Yankees	5	1941	.800	4	1	166	17	41	5	1	2	16	23	2	18	2	2	191	54	8	0		3	4	.247	.346	.325	.671
13	Yankees	5	1942	.200	1	4	178	18	44	6	0	3	14	8	0	22	3	0	187	59	9	1		0	2	.247	.280	.331	.611
14	Yankees	5	1943	.800	4	1	159	17	35	5	2	2	14	12	0	30	2	0	175	50	9	4		3	4	.220	.275	.314	.589
15	Yankees	7	1947	.571	4	3	238	38	67	11	5	4	36	38	2	37	2	1	281	100	20	3		2	8	.282	.385	.420	.805
16	Yankees	5	1949	.800	4	1	164	21	37	10	2	2	20	18	0	27	2	0	185	57	14	3		1	0	.226	.302	.348	.650
17	Yankees	4	1950	1.000	4	0	135	11	30	3	1	2	10	13	1	12	1	1	151	41	6	2		1	0	.222	.295	.304	.599
18	Yankees	6	1951	.667	4	2	199	29	49	7	2	5	25	26	1	23	0	2	226	75	14	0		3	3	.246	.336	.377	.713
19	Yankees	7	1952	.571	4	3	232	26	50	5	2	10	24	31	1	32	1	3	266	89	17	2		2	4	.216	.311	.384	.694
20	Yankees	6	1953	.667	4	2	201	33	56	6	4	9	32	25	4	43	2	4	234	97	19	4		2	2	.279	.370	.483	.852
21	Yankees	7	1955	.429	3	4	222	26	55	4	2	8	25	22	2	39	3	4	247	87	14	1	0	0	10	.248	.321	.392	.713
22	Yankees	7	1956	.571	4	3	229	33	58	6	0	12	33	21	0	43	2	0	256	100	18	4	2	5	6	.253	.313	.437	.750
23	Yankees	7	1957	.429	3	4	230	25	57	7	1	7	25	22	0	34	1	4	256	87	15	3	1	1	6	.248	.312	.378	.691
24	Yankees	7	1958	.571	4	3	233	29	49	5	1	10	29	21	0	42	1	1	258	86	16	2	2	4	3	.210	.273	.369	.643
25	Yankees	7	1960	.429	3	4	269	55	91	13	4	10	54	18	2	40	0	2	292	142	27	2	1	3	5	.338	.383	.528	.911
	Total	437		.578	252	184	14,788	1,944	3,668	608	76	477	1,843	1,595	129	2,910	192	105	16,737	5,859	1,161	143	82	144	297	.248	.325	.396	.721