How many pitchers have won rookie of the year in a regular season?

Interpreted as:

	POSITION	W	ROY	SEASON	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	First Baseman		1	1947
2	Shortstop		1	1948
3	Pitcher	1,231	1	1949	1,231	.500	5,301	2,480	4.12	8,946	979	171	246	22038.2	22,144	10,085	11,422	1,704	10,020	370	1,501		95,844	449	3.65	4.09	0.89	0.70	9.3	10.5	1.46	.273	4.66	100	4.12	100	9.04	-8.9
4	Center Fielder		1	1949
5	First Baseman	0	1	1950	0		1	0	7.20	2	0	0	0	5.0	7	4	4	0	1	0	1		22	2	3.60	1.80	2.00	0.00	9.1	4.5	1.60	.368	7.20	166	2.38	53	12.60	1.1
6	Center Fielder		1	1950
7	Third Baseman		1	1951
8	Center Fielder	0	1	1951	1	.000	8	1	9.18	10	0	0	0	16.2	24	17	18	2	16	1	6		87	0	5.40	8.64	0.63	1.08	11.5	18.4	2.40	.379	9.72	225	5.90	140	12.96	-3
9	Pitcher	1,231	1	1952	1,231	.500	5,257	2,477	3.70	10,392	948	179	306	22200.0	21,258	9,134	10,347	1,701	8,785	483	1,529		94,780	404	4.21	3.56	1.18	0.69	11.0	9.3	1.35	.266	4.19	100	3.70	100	8.62	29.6
10	Second Baseman		1	1953
11	Shortstop	0	1	1953	0		1	1	18.00	0	0	0	0	1.0	1	2	2	1	1	0	0		5	0	0.00	9.00	0.00	9.00	0.0	20.0	2.00	.000	18.00	420	18.59	437	9.00	-1.6
12	Pitcher	1,231	1	1954	1,231	.500	5,589	2,472	3.90	10,215	840	166	358	22126.2	21,908	9,581	10,827	1,937	9,033	441	1,632		95,541	402	4.15	3.67	1.13	0.79	10.7	9.5	1.40	.270	4.40	100	3.90	101	8.91	-57.7
13	Center Fielder		1	1954
14	Pitcher	1,231	1	1955	1,231	.500	5,942	2,468	4.00	10,824	748	159	362	22009.0	21,605	9,778	11,066	2,224	9,046	506	1,718	736	95,011	477	4.43	3.70	1.20	0.91	11.4	9.5	1.39	.268	4.53	100	4.00	100	8.83	-15.6
15	Center Fielder	0	1	1955	0		1	0	0.00	1	0	0	0	1.0	1	0	0	0	1	0	1	0	5	0	9.00	9.00	1.00	0.00	20.0	20.0	2.00	.333	0.00	0	3.37	83	9.00	0.1
16	Shortstop	0	1	1956	1	.000	4	0	3.48	4	0	0	0	10.1	11	4	4	0	2	1	3	0	43	0	3.48	1.74	2.00	0.00	9.3	4.7	1.26	.306	3.48	93	2.47	64	9.58	1.6
17	Left Fielder		1	1956
18	Pitcher	1,230	1	1957	1,230	.500	6,012	2,470	3.83	11,963	710	139	391	22343.1	21,864	9,516	10,636	2,202	8,175	511	1,759	740	95,391	480	4.82	3.29	1.46	0.89	12.5	8.6	1.34	.271	4.28	100	3.83	100	8.81	-4.5
19	Shortstop		1	1957
20	First Baseman		1	1958
21	Center Fielder	0	1	1958	0		1	0	9.00	2	0	0	0	2.0	2	2	2	0	1	0	1	0	9	1	9.00	4.50	2.00	0.00	22.2	11.1	1.50	.333	9.00	244	1.97	53	9.00	0.4
22	First Baseman		1	1959
23	Center Fielder		1	1959
24	Shortstop		1	1960
25	Right Fielder		1	1960