In 2000, forests covered 55% of the total area; they are Slovenia's most significant natural resource. Roundwood production was 2,253,000 cu m (79.5 million cu ft) in 2000. Production included wood pulp, 153,000 tons; paper and paperboard, 411,000 tons; and plywood, 35,000 cu m (1.2 million cu ft). Exports of forest product in 2000 totaled $426 million. The furniture-making industry is also a prominent consumer of forest products.