Unadjusted flow computed as a share of total quarterly flow reported on MTS reports, Table 5 Outlays of the U.S. Government, Other independent agencies, NRRIT, Transfers to the railroad retirement trust funds from the NRRIT. Equity share computed based on portfolio shares reported in NRRIT annual reports. Level is obtained by adding unadjusted flow to preceding level; data for the most recent ten years show no significant seasonality.
