economic trends 634 september 2006 office for national statistics28 development compilation and use of input output supply tables in the uk accounts statistics 29 sanjiv mahajan this article looks at i o since first official were drawn up 1961 year 1954 framework is now a central part s key to agreeing annual level current price gross domestic product gdp as well feeding into various parts other products was also presented paper by author 29th general conference international association research income wealth finland august introduction published have been produced roughly every five years needed