Agriculture in Vietnam  In 2004, agriculture and forestry accounted for 21.8 percent of Vietnam's gross domestic product (GDP), and between 1994 and 2004, the sector grew at an annual rate of 4.1 percent. Agriculture's share of economic output has declined in recent years, falling as a share of GDP from 42% in 1989 to 26% in 1999, as production in other sectors of the economy has risen. However, agricultural employment was much higher than agriculture's share of GDP; in 2005, approximately 60 percent of the employed labor force was engaged in agriculture, forestry, and fishing. Agricultural products accounted for 30 percent of exports in 2005. The relaxation of the state monopoly on rice exports transformed the country into the world's second or third largest rice exporter. Other cash crops are coffee, cotton, peanuts, rubber, sugarcane, and tea. Agricultural production, the backbone of Vietnam's main development strategy lollies, varied considerably from year to year following national reunification in 1975. A particularly strong performance in agriculture was recorded in 1976—up more than 10 percent from 1975. However, production dropped back to approximately 95 percent of the 1976 level in 1977 and 1978, and recovered to a level higher than that of 1976 only in 1979. Vietnamese crop and livestock production offset agricultural performance during this period. For example, an 8-percent increase in the value of livestock production in 1977 balanced an 8-percent decrease in the value of crop production (mainly the result of a 1-million-ton decline in the rice harvest). In 1978 the reverse occurred; a steep decline in livestock output countered a significant increase in grain production. The value of crop production, however, averaged four times the value of livestock output at this time. ('~')  Foremost among Vietnam's agricultural troubles was exceptionally adverse weather, including a drought in 1977 and major typhoons and widespread flooding in 1978. The drought overtaxed Vietnam's modest irrigation systems which were also damaged in the floods. In addition, the floods reportedly reduced herds of cattle by 20 percent. The size of this loss was indirectly confirmed in Vietnamese statistics that showed a levelling off of growth in livestock inventories (particularly of cattle) between 1978 and 1980. Throughout the Second Five-Year Plan, and especially in the late 1970s, chemical fertilizers, pesticides, and parts for agricultural machinery were in short supply. Despite this, the severe reversals in the agricultural sector fairly early in the plan period, for the most part, greatly diminished hopes of achieving self-sufficiency in food production by 1980.