CREATE TABLE table_30133_1 (export_volume_of_goods_and_services__percent_change_ VARCHAR, gdp_at_constant_prices__thb_trillions_ VARCHAR)

How many export volume of goods/services values are associated with GDP at constant prices values of 3.072?
SELECT COUNT(export_volume_of_goods_and_services__percent_change_) FROM table_30133_1 WHERE gdp_at_constant_prices__thb_trillions_ = "3.072"
SELECT COUNT("export_volume_of_goods_and_services__percent_change_") FROM "table_30133_1" WHERE "3.072" = "gdp_at_constant_prices__thb_trillions_"