Level is calculated after 1989:Q4 benchmark as the previous level, plus the unadjusted transactions, plus capital gains. The unadjusted transactions are net investment in nonresidential structures ( FOF series FU165013665). Capital gains are calculated using a commercial real estate price index ( FOF series FI075035503). Data for the past ten years show no significant seasonality.
Last edited on: 09/03/2013