The rate of the drop was lower than the 19.8pc drop in August, and the slowest this year. Industrial output grew 3.7pc from August, according to workday- and seasonally-adjusted figures. Output rose month-on-month both in May and June, and dropped slightly in July and August. January-September industrial output fell 21.0pc compared to the same period of 2008. In January-August, the drop was 21.8pc. Unadjusted industrial output has fallen year-on-year every month since October 2008, and workday-adjusted output has fallen every month since July of last year. KSH will publish a detailed second reading of the August figures, together with industrial sales figures, on November 13.