The total number of Overseas Filipino Workers (OFWs) in April to September 2007 was estimated at 1.7 million. Of this number, about 35.0 percent or 612 thousand OFWs were laborers and unskilled workers (i.e. sales and services, elementary workers, laborers in mining, construction, manufacturing, transport, agricultural, forestry, fishery and related laborers). Those who worked as sales or service workers comprised 14.3 percent; trades and related workers, 13.8 percent; and plant and machine operators and assemblers, 13.4 percent of the total number of OFWs.