The natural rubber
statistic (2008) for Malaysia and Thailand is shown in Table 1 (Hutagalung, 2003; Kantachote and Innuwat, 2004;
Puetpaiboon et al., 2005; Chaiprapat and Sdoodee, 2007;
Department of Statistics Malaysia, 2008; Association of
Natural Rubber Producing Countries, 2009).