ISTB	2015-10-31	100000	0.00	0.00	-100.00
ISTB	2015-11-30	200000	99650.46	1997.40	-50.17
ISTB	2015-12-31	300000	198679.86	4002.82	-33.77
ISTB	2016-01-31	400000	299833.57	6018.34	-25.04
ISTB	2016-02-29	500000	400877.80	8029.60	-19.82
ISTB	2016-03-31	600000	505033.90	10038.44	-15.83
ISTB	2016-04-30	700000	607127.70	12031.86	-13.27
ISTB	2016-05-31	800000	705943.86	14019.34	-11.76
ISTB	2016-06-30	900000	812856.34	16007.41	-9.68
ISTB	2016-07-31	1000000	914051.78	17982.53	-8.59
ISTB	2016-08-31	1100000	1010176.73	19956.08	-8.17
ISTB	2016-09-30	1200000	1111052.64	21935.89	-7.41
ISTB	2016-10-31	1300000	1207762.22	23916.08	-7.10
ISTB	2016-11-30	1400000	1293974.50	25900.21	-7.57
ISTB	2016-12-31	1500000	1495331.55	29906.63	-0.31
ISTB	2017-01-31	1600000	1499518.46	29906.63	-6.28
ISTB	2017-02-28	1700000	1601911.56	31904.23	-5.77
ISTB	2017-03-31	1800000	1699300.22	33904.63	-5.59
ISTB	2017-04-30	1900000	1805383.24	35899.45	-4.98
ISTB	2017-05-31	2000000	1908294.92	37893.07	-4.59
ISTB	2017-06-30	2100000	2004545.33	39883.51	-4.55
ISTB	2017-07-31	2200000	2106918.72	41878.73	-4.23
ISTB	2017-08-31	2300000	2212222.50	43867.19	-3.82
ISTB	2017-09-30	2400000	2305084.54	45854.08	-3.95
ISTB	2017-10-31	2500000	2400518.96	47847.70	-3.98
ISTB	2017-11-30	2600000	2488317.23	49846.10	-4.30
ISTB	2017-12-31	2700000	2583791.15	51852.12	-4.30
ISTB	2018-01-31	2800000	2670964.87	53860.96	-4.61
ISTB	2018-02-28	2900000	2755041.81	55883.20	-5.00
ISTB	2018-03-31	3000000	2857998.29	57912.83	-4.73
ISTB	2018-04-30	3100000	2941976.39	59942.47	-5.10
ISTB	2018-05-31	3200000	3047779.40	61984.53	-4.76
ISTB	2018-06-30	3300000	3142221.41	64022.44	-4.78
ISTB	2018-07-31	3400000	3241826.19	66065.34	-4.65
ISTB	2018-08-31	3500000	3446137.43	70143.24	-1.54
ISTB	2018-09-30	3600000	3437018.73	70143.24	-4.53
ISTB	2018-10-31	3700000	3525012.67	72189.48	-4.73
ISTB	2018-11-30	3800000	3626723.04	74242.03	-4.56
ISTB	2018-12-31	3900000	3742929.34	76292.89	-4.03
ISTB	2019-01-31	4000000	3875725.63	78329.14	-3.11
ISTB	2019-02-28	4100000	3976772.46	80355.07	-3.01
ISTB	2019-03-31	4200000	4107496.26	82380.59	-2.20
ISTB	2019-04-30	4300000	4206974.08	84392.66	-2.16
ISTB	2019-05-31	4400000	4331489.74	86405.14	-1.56
ISTB	2019-06-30	4500000	4458110.10	88401.94	-0.93
ISTB	2019-07-31	4600000	4549349.58	90390.41	-1.10
ISTB	2019-08-31	4700000	4778870.32	94350.84	1.68
ISTB	2019-09-30	4800000	4763774.20	94350.84	-0.75
ISTB	2019-10-31	4900000	4867726.39	96333.40	-0.66
ISTB	2019-11-30	5000000	4955183.47	98317.13	-0.90
ISTB	2019-12-31	5100000	5055402.21	100305.60	-0.87
ISTB	2020-01-31	5200000	5197281.01	102288.54	-0.05
ISTB	2020-02-29	5300000	5322599.88	104262.49	0.43
ISTB	2020-03-31	5400000	5364216.99	106222.12	-0.66
ISTB	2020-04-30	5500000	5511004.31	108207.43	0.20
ISTB	2020-05-31	5600000	5658397.64	110171.29	1.04
ISTB	2020-06-30	5700000	5770945.82	112122.51	1.24
ISTB	2020-07-31	5800000	5893895.26	114068.04	1.62
ISTB	2020-08-31	5900000	5996273.50	116004.52	1.63
ISTB	2020-09-30	6000000	6079820.00	117940.25	1.33
ISTB	2020-10-31	6100000	6166768.80	119882.76	1.09
ISTB	2020-11-30	6200000	6291271.05	121829.42	1.47
ISTB	2020-12-31	6300000	6391659.85	123773.43	1.45
ISTB	2021-01-31	6400000	6494135.37	125709.16	1.47
ISTB	2021-02-28	6500000	6558414.21	127645.27	0.90
ISTB	2021-03-31	6600000	6646653.90	129589.66	0.71
ISTB	2021-04-30	6700000	6755939.78	131540.88	0.83
ISTB	2021-05-31	6800000	6864065.82	133490.20	0.94
ISTB	2021-06-30	6900000	6946615.08	135438.00	0.68
ISTB	2021-07-31	7000000	7055014.41	137390.74	0.79
ISTB	2021-08-31	7100000	7149499.70	139339.30	0.70
ISTB	2021-09-30	7200000	7215765.17	141291.66	0.22
ISTB	2021-10-31	7300000	7269944.75	143250.14	-0.41
ISTB	2021-11-30	7400000	7345395.18	145223.31	-0.74
ISTB	2021-12-31	7500000	7423492.62	147203.90	-1.02
ISTB	2022-01-31	7600000	7441636.49	149190.78	-2.08
ISTB	2022-02-28	7700000	7472285.11	151199.62	-2.96
ISTB	2022-03-31	7800000	7425609.53	153231.73	-4.80
ISTB	2022-04-30	7900000	7445327.67	155305.13	-5.76
ISTB	2022-05-31	8000000	7560081.49	157403.32	-5.50
ISTB	2022-06-30	8100000	7559998.10	159493.63	-6.67
ISTB	2022-07-31	8200000	7740502.17	161597.12	-5.60
ISTB	2022-08-31	8300000	7714608.80	163687.86	-7.05
ISTB	2022-09-30	8400000	7644115.85	165815.97	-9.00
ISTB	2022-10-31	8500000	7718402.23	167973.93	-9.20
ISTB	2022-11-30	8600000	7941153.67	170155.43	-7.66
ISTB	2022-12-31	8700000	8101397.41	174448.70	-6.88
ISTB	2023-01-31	8800000	8225256.49	174448.70	-6.53
ISTB	2023-02-28	8900000	8205063.86	176566.90	-7.81
ISTB	2023-03-31	9000000	8428884.39	178729.53	-6.35
ISTB	2023-04-30	9100000	8543352.72	180849.97	-6.12
ISTB	2023-05-31	9200000	8587140.05	182977.63	-6.66
ISTB	2023-06-30	9300000	8633479.61	185108.91	-7.17
ISTB	2023-07-31	9400000	8754422.60	187260.38	-6.87
ISTB	2023-08-31	9500000	8852958.48	189408.60	-6.81
ISTB	2023-09-30	9600000	8884384.67	191556.37	-7.45
ISTB	2023-10-31	9700000	8955780.88	193722.28	-7.67
ISTB	2023-11-30	9800000	9210354.80	195881.64	-6.02
ISTB	2023-12-31	9900000	9417150.61	198005.68	-4.88
ISTB	2024-01-31	10000000	9551422.51	200113.61	-4.49
ISTB	2024-02-29	10100000	9570664.29	202211.37	-5.24
ISTB	2024-03-31	10200000	9693245.31	204326.42	-4.97
ISTB	2024-04-30	10300000	9686465.47	206446.42	-5.96
ISTB	2024-05-31	10400000	9861704.13	208580.89	-5.18
ISTB	2024-06-30	10500000	9980857.88	210699.98	-4.94
ISTB	2024-07-31	10600000	10215337.12	212819.52	-3.63
ISTB	2024-08-31	10700000	10492828.38	216973.29	-1.94
ISTB	2024-09-30	10800000	10562259.76	216973.29	-2.20
ISTB	2024-10-31	10900000	10522346.53	219033.02	-3.46
ISTB	2024-11-30	11000000	10642686.76	221123.76	-3.25
ISTB	2024-12-31	11100000	10662685.91	223208.83	-3.94
ISTB	2025-01-31	11200000	10821264.10	225302.19	-3.38
ISTB	2025-02-28	11300000	10989900.81	227392.93	-2.74
ISTB	2025-03-31	11400000	11094738.30	229467.19	-2.68
ISTB	2025-04-30	11500000	11248200.47	231539.73	-2.19
ISTB	2025-05-31	11600000	11306709.55	233609.69	-2.53
ISTB	2025-06-30	11700000	11466066.53	235684.81	-2.00
ISTB	2025-07-31	11800000	11533235.08	237749.65	-2.26
ISTB	2025-08-31	11900000	11812207.41	241855.19	-0.74
ISTB	2025-09-30	12000000	11812207.41	241855.19	-1.56
ISTB	2025-10-31	12100000	11783185.05	241855.19	-2.62