Russia's trade surplus amounted to $45.3bn in 2002, the external and public relations department of the Central Bank reported. The 2002 surplus added $11.5bn compared to the figure in the period from January to September 2002. Exports grew from $76.5bn to $106.5bn. Oil exports amounted to $28.3bn, exports of oil products were $10.9bn, gas exports amounted to $15.9bn. Imports advanced from $42.7 to $60.8bn; the negative balance of services went up from $6.6bn to $8.7bn. The negative balance of investment revenues was $4.7bn.