Its website revealed that the Treasury would receive just £1.6bn in CGT tax receipts for 2002/2003 compared with £3bn the previous year.
The dramatic drop was brought about by falling share prices as well as the increasing use of taper relief on capital gains, introduced to encourage investment in smaller companies.
Total revenue tax receipts also fell, dropping by £3bn from £154bn to £151bn.
Report argues that the government must change the way it makes tax and budget decisions
Committee expresses concern about costs to businesses and April 2018 implementation date
Andrew Tyrie airs views on the Finance Bill, 'Making Tax Policy Better' report, and Brexit
Top 25 firm HW Fisher & Co has acquired London firm Rhodes & Rhodes