Schedule of Investments (Unaudited) - USD ($)		Jun. 30, 2020		Dec. 31, 2019
U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Total U.S. Treasury Obligations		$ 18,427,314		$ 23,583,730
Total Investments		18,427,314		23,583,730
U.S. Equity Ex-Dividend Fund-Series 2027
U.S. Treasury Notes
Total U.S. Treasury Obligations		25,785,222		25,837,538
Total Investments		25,785,222		25,837,538
6.125%, 11/15/2027 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount	[1]			2,919,000
Total U.S. Treasury Obligations	[1]			3,834,372
2.250%, 12/31/2023 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		2,246,000	[2]	2,781,000	[1]
Total U.S. Treasury Obligations		2,407,168	[2]	2,842,559	[1]
2.250%, 11/15/2024 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		2,346,000	[2]	2,911,000	[1]
Total U.S. Treasury Obligations		2,551,000	[2]	2,985,258	[1]
2.250%, 11/15/2025 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		2,417,000	[2]	3,012,000	[1]
Total U.S. Treasury Obligations		2,663,562	[2]	3,091,577	[1]
2.125%, 12/31/2022 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		2,133,000	[2]	2,653,000	[1]
Total U.S. Treasury Obligations		2,237,109	[2]	2,692,434	[1]
2.000%, 12/31/2021 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		1,973,000	[2]	2,538,000	[1]
Total U.S. Treasury Obligations		2,027,373	[2]	2,558,030	[1]
2.000%, 11/15/2026 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		2,481,000	[2]	3,111,000	[1]
Total U.S. Treasury Obligations		2,725,029	[2]	3,143,951	[1]
1.750%, 12/31/2020 | U.S. Equity Cumulative Dividends Fund-Series 2027
U.S. Treasury Notes
Principal Amount		858,000	[2]	2,433,000	[1]
Total U.S. Treasury Obligations		864,837	[2]	2,435,549	[1]
2.250%, 11/15/2027 | Us Equity Cumulative Dividends Fund [Member]
U.S. Treasury Notes
Principal Amount	[2]	2,620,000
Total U.S. Treasury Obligations	[2]	2,951,236
0.145%, 11/19/2020 | U.S. Equity Ex-Dividend Fund-Series 2027
U.S. Treasury Notes
Principal Amount		25,800,000
Total U.S. Treasury Obligations		$ 25,785,222
1.537%, 05/28/2020 | U.S. Equity Ex-Dividend Fund-Series 2027
U.S. Treasury Notes
Principal Amount	[3],[4]			26,000,000
Total U.S. Treasury Obligations	[3],[4]			$ 25,837,538

[1] Security, or a portion of, has been pledged as collateral for the trading of futures contracts. The market value of the securities pledged as collateral for the period ended December 31, 2019 was $2,728,628 or 11.2% of net assets.

[2] Security, or a portion of, has been pledged as collateral for the trading of futures contracts. The market value of the securities pledged as collateral for the period ended June 30, 2020 was $11,124,992 or 58.2% of net assets.

[3] Security, or a portion of, has been pledged as collateral for the trading of futures contracts. The market value of the securities pledged as collateral for the period ended December 31, 2019 was $7,254,010 or 26.9% of net assets.

[4] Zero coupon security. The rate reported on the Schedule of Investments is the effective yield at time of purchase.