 between 2000 and 2006; this includes $1.7m in optical fibre cables (harmonized system HS code 900110) shipped in 2006, however in 2007 and 2008, no exports were reported in this sector.According to a United Nations Conference on Trade and Development (UNCTAD) survey in 2006 of foreign investment in Mali, Canadian firms active there included Segibel/SOTELMA (telecommunications), two Internet service providers, Afribone and Experco International, and a water drilling firm, Hydro Sahel.Canada has been exporting an average of U$185k annually in railway equipment into Mali over the period 2004–2008.