Internal Demand For Gold Is Equal To The Difference Between The Net Imports Of Gold And The Increase In The Bank Of England'S Gold Reserve (Including Coins). Net Imports Are Based On Weekly Returns. Average Weekly Demand Was Computed By NBER From Quarterly Data Given In Source By Dividing By 12, 13, Or 14 (Number Of Weeks In Quarter). Quarters Begin On The Thursday Following The First Wednesday In December, March, June, And September Respectively. Annual Totals Equal The Algebraic Sum Of Weekly Averages Per Quarter. Source: R.G. Hawtrey, A Century Of Bank Rates (London, 1938), Appendix Ii, Pp. 297-300.
This NBER data series q14003 appears on the NBER website in Chapter 14 at http://www.nber.org/databases/macrohistory/contents/chapter14.html.
NBER Indicator: q14003
Release: NBER Macrohistory Database
National Bureau of Economic Research, Average Weekly Internal Demand For Gold for Great Britain [Q14003GBQ591NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q14003GBQ591NNBR/, October 7, 2015.