how many different mlb teams have been to the world series since 2000

The New York Yankees have 5 appearances in the World Series since 2000.

	TEAM	SERIES	G	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	World Series	29	.483	14	15	983	110	228	43	4	31	107	108	17	252	17	5	1,121	372	78	5	8	12	19	.232	.316	.378	.695
2	Mets	World Series	10	.200	2	8	356	35	75	9	0	10	33	25	5	94	1	3	396	114	19	5	5	2	4	.211	.269	.320	.589
3	Diamondbacks	World Series	12	.417	5	7	420	59	112	24	1	9	58	33	6	111	9	3	473	165	34	10	4	7	9	.267	.326	.393	.719
4	Giants	World Series	23	.652	15	8	774	119	206	33	5	27	115	73	5	185	10	4	868	330	65	8	8	11	11	.266	.330	.426	.757
5	Angels	World Series	7	.571	4	3	245	41	76	15	1	7	38	23	2	38	6	0	275	114	23	2	3	5	6	.310	.370	.465	.835
6	Marlins	World Series	6	.667	4	2	203	17	47	8	0	2	17	14	1	48	2	3	225	61	10	5	2	2	4	.232	.282	.300	.582
7	Cardinals	World Series	22	.455	10	12	715	86	161	36	2	14	71	89	8	156	5	4	831	243	52	14	5	17	15	.225	.316	.340	.656
8	Red Sox	World Series	19	.842	16	3	662	108	169	45	3	19	107	85	8	152	5	2	764	277	67	4	5	13	14	.255	.345	.418	.763
9	White Sox	World Series	4	1.000	4	0	154	20	44	9	2	6	20	15	3	30	5	1	174	75	17	2	0	2	5	.286	.360	.487	.847
10	Astros	World Series	30	.433	13	17	1,038	120	246	50	2	36	116	100	14	253	22	4	1,165	408	88	7	6	15	23	.237	.311	.393	.704
11	Tigers	World Series	9	.111	1	8	287	17	52	10	1	7	17	20	4	73	1	1	314	85	18	3	0	1	7	.181	.244	.296	.541
12	Rockies	World Series	4	.000	0	4	133	10	29	6	1	3	10	10	2	36	1	0	146	46	10	1	0	0	2	.218	.283	.346	.629
13	Phillies	World Series	17	.471	8	9	552	69	119	27	1	28	67	75	6	159	15	1	638	232	56	2	3	7	9	.216	.314	.420	.735
14	Rays	World Series	11	.273	3	8	350	37	75	10	1	13	35	26	1	106	9	4	381	126	24	2	2	1	9	.214	.269	.360	.629
15	Rangers	World Series	17	.471	8	9	563	68	127	25	1	20	66	60	3	126	4	5	636	214	46	4	6	5	16	.226	.301	.380	.681
16	Royals	World Series	12	.583	7	5	426	54	104	27	1	5	52	28	3	80	8	1	464	148	33	3	4	4	11	.244	.293	.347	.640
17	Cubs	World Series	7	.571	4	3	245	27	61	10	2	8	27	22	3	64	8	1	272	99	20	0	2	3	4	.249	.316	.404	.720
18	Indians	World Series	7	.429	3	4	232	27	55	10	0	7	23	24	5	69	4	2	265	86	17	3	1	1	5	.237	.321	.371	.691
19	Dodgers	World Series	23	.522	12	11	781	107	165	32	4	35	101	82	12	216	9	6	886	310	71	3	8	5	9	.211	.293	.397	.690
20	Nationals	World Series	7	.571	4	3	241	33	58	8	1	11	32	27	1	61	4	0	272	101	20	3	0	1	5	.241	.320	.419	.739
21	Braves	World Series	6	.667	4	2	201	25	48	8	0	11	25	18	1	61	1	0	221	89	19	0	1	2	3	.239	.303	.443	.746