 By the end of the first decade, the number of marriages as a result of SDU activities averaged about 1,000 a year.In 2003, SDU reported a significant increase in marriage figures for its members over the years, from 2,789 in 1999 to 4,050 in 2003.Over the first 2 decades since the SDU was first set up, SDU reported that more than 33,000 members were married ("This includes many young Singaporeans who would have got married irrespective of SDU being in existence or not").