VTI找不到2002前数据，2002开始结果如下 （开始取5万）

				Balance			Balance			Balance	without withdrawal
Year	VTI yearly return	Yearly withdrawal	Principal	1000000	Yearly withdrawal	Principal	1000000	Yearly withdrawal	Principal	1000000	1000000
2002	-21.60	50000	1000000	734000	50000	1000000	734000	50000	1000000	734000	784000
2003	28.84	51500	Yearly inflation	894186	52000	Yearly inflation	893686	52500	Yearly inflation	893186	1010106
2004	10.89	53045	3%	938517	54080	4%	936928	55125	5%	935329	1120106
2005	4.47	54636		925833	56243		922565	57881		919256	1170175
2006	13.69	56275		996304	58493		990372	60775		984327	1330372
2007	3.53	57964		973510	60833		964499	63814		955260	1377334
2008	-38.36	59703		540369	63266		531251	67005		521817	848989
2009	25.99	61494		619317	65797		603527	70355		587083	1069641
2010	15.19	63339		650053	68428		626774	73873		602388	1232119
2011	-0.97	65239		578508	71166		549529	77566		518978	1220168
2012	13.97	67196		592130	74012		552286	81445		510035	1390625
2013	30.90	69212		705887	76973		645970	85517		582119	1820328
2014	10.51	71288		708787	80052		633809	89793		553507	2011645
2015	-1.60	73427		624020	83254		540415	94282		450368	1979458
2016	10.57	75629		614350	86584		510953	98997		398975	2188687
2017	19.02	77898		653301	90047		518089	103946		370914	2604975
2018	-7.01	80235		527269	93649		388122	109144		235769	2422367
2019	28.20	82642		593316	97395		400177	114601		187655	3105474
2020	18.96	85122		620687	101291		374760	120331		102904	3694272
2021	24.04	87675		682225	105342		359510	126348		1294	4582375
2022	-20.81	90306		449949	109556		175140	132665		-131640	3628783
2023	24.08	93015		465282	113938		103375	139298		-302637	4502594