The most important commercial sector of the state is that of retail foodstuffs, especially those selling groceries, meat and poultry. This represented over 40% of the commercial sector in 1998. Just over 30% of commerce was dedicated to non-food products such as clothing and pharmaceuticals with the rest mostly dedicated to wholesale foods. From the latter 20th century, tourism has taken up much of the economic slack left behind by the demise of much of the state's mining industry, with income from this sector surpassing that of the petroleum industry. The state has a variety of historic, cultural and natural attractions. Commerce and tourism employ about 44% of the population.