Año	Superficie sembrada (ha)	Superficie cosechada (ha)	Valor de la producción agrícola (miles de pesos)
1980	17,990,577.00	16,039,480.00	248,651.27
1981	23,292,002.00	20,904,977.00	374,716.55
1982	19,498,087.00	14,476,946.00	462,491.91
1983	25,445,648.00	22,873,797.00	1,071,511.72
1984	19,136,648.00	16,788,018.00	1,938,289.14
1985	20,090,825.00	18,113,151.00	2,916,847.76
1986	20,115,288.00	16,825,571.00	4,917,936.12
1987	20,852,721.00	17,746,195.00	12,565,886.23
1988	20,043,972.00	16,934,509.00	20,988,539.41
1989	19,071,600.00	16,462,608.00	28,449,892.66
1990	19,585,598.00	17,830,949.00	40,811,598.52
1991	19,250,439.00	17,096,597.00	49,546,943.64
1992	19,518,331.00	17,237,055.00	52,511,869.73
1993	19,162,033.00	17,381,454.00	56,393,485.34
1994	20,956,056.00	18,825,704.00	58,507,101.68
1995	20,897,230.00	18,711,447.00	82,853,295.36
1996	21,282,707.29	19,926,962.67	120,211,530.06
1997	21,967,607.57	18,586,339.25	127,189,191.19
1998	21,817,665.67	20,050,318.38	152,970,064.07
1999	21,980,375.22	19,097,574.69	163,906,193.64
2000	21,780,047.00	18,734,050.00	159,974,730.67
2001	21,607,967.06	20,032,832.92	170,850,199.05
2002	21,664,017.86	19,318,965.66	169,584,677.42
2003	21,754,411.89	20,118,775.75	192,420,531.94
2004	21,874,034.40	20,191,531.50	210,640,000.72
2005	21,640,071.79	18,528,490.86	200,250,589.76
2006	21,436,172.01	19,967,457.12	232,708,972.19
2007	21,733,229.76	20,054,633.61	269,950,981.22
2008	21,902,572.70	20,502,833.70	305,950,645.90
2009	21,832,754.02	18,688,834.79	294,661,930.59
2010	21,952,745.02	20,167,772.84	331,786,019.29
2011	22,136,741.58	18,093,806.79	354,656,858.95