Table 1.

Estimated expenditure in USD on insecticides in the three coastal regions of Guerrero State in 2010

	Acapulco	C. Grande	C. Chica
Estimated number of inhabited households (population/4.2)	188,088	98,522	102,024
Estimated number of households using insecticidesa	96,865	39,901	40,801
Amount spent on insecticides in the last month, among those using themb	491,776	168,811	213,420
Amount spent on insecticides in the last yearc	5,901,312	2,205,732	2,561,040

^aThe proportions of households that reported using insecticides in the 2010 baseline study were: Acapulco region 51.5%, Costa Grande region 40.5% and Costa Chica region 40%

^bThe mean expenditures on insecticides in the last month were: Acapulco USD5.0; Costa Grande USD4.2; and Costa Chica USD5.2.

^cThe amount shown is calculated by multiplying the monthly amount by 12. A more conservative estimate, assuming the products are not purchased for roughly half the year, multiplies the monthly amount by 6, and gives the following annual expenditures: Acapulco USD2,950,656; C. Grande USD1,012,866; C. Chica USD1,280,520