league w% by decade, MLB, since 1980

	LEAGUE	DECADE	W%	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	NL	1980s	.500	9,374	9,374	18,774	637,029	76,682	162,041	27,792	4,342	13,352	71,603	60,167	2,915	104,524	16,890	7,618	714,169	238,573	45,486	8,793	5,265	7,597	13,325	.254	.319	.375	.694
2	AL	1980s	.500	10,941	10,941	21,900	748,779	98,148	196,825	33,965	4,799	19,590	92,326	70,997	4,340	113,623	14,369	7,278	837,526	299,158	58,354	6,853	6,557	5,427	17,568	.263	.328	.400	.727
3	NL	1990s	.501	10,735	10,700	21,441	731,312	96,569	190,915	35,293	4,535	19,459	90,896	70,935	5,835	135,946	16,625	7,396	824,006	293,655	59,287	9,833	6,091	6,713	15,257	.261	.329	.402	.730
4	AL	1990s	.499	10,852	10,887	21,747	747,643	105,411	200,417	37,897	4,103	21,890	99,707	77,161	6,225	129,593	14,755	7,162	843,937	312,190	63,890	5,951	6,957	5,490	17,562	.268	.339	.418	.756
5	NL	2000s	.497	12,864	13,039	25,909	884,617	119,943	231,938	46,892	5,066	27,321	114,197	87,939	9,338	174,795	14,566	6,100	1,000,158	370,925	79,279	11,126	7,138	8,221	20,193	.262	.333	.419	.752
6	AL	2000s	.504	11,422	11,247	22,673	782,601	111,239	210,575	42,214	4,180	24,827	105,993	74,551	8,201	143,951	13,392	5,494	877,205	335,630	71,221	5,071	6,781	4,960	18,346	.269	.336	.429	.765
7	NL	2010s	.497	12,327	12,455	24,784	842,637	106,309	212,496	41,946	4,726	25,151	101,240	77,112	8,570	197,140	13,807	5,349	942,452	339,347	71,823	8,143	5,990	6,075	18,141	.252	.319	.403	.722
8	AL	2010s	.503	11,969	11,841	23,810	814,056	106,910	207,730	41,247	3,825	26,780	101,896	73,624	8,137	182,793	13,440	5,007	906,142	336,967	71,852	4,022	6,303	3,965	18,238	.255	.321	.414	.735
9	NL	2020s	.501	6,538	6,508	13,046	437,749	58,819	107,613	21,229	1,919	15,091	56,260	42,312	5,635	110,922	8,269	2,321	490,644	177,953	38,239	1,602	3,346	1,537	8,936	.246	.318	.407	.725
10	AL	2020s	.499	6,508	6,538	13,046	438,456	57,741	106,790	21,141	1,673	15,343	55,231	40,554	5,404	111,306	7,875	2,309	488,756	177,306	38,157	1,121	3,221	1,382	8,836	.244	.313	.404	.718