The discovery of major crude oil reserves off the Atlantic coast has since made a large impact on Guyana's GDP since drilling began in 2019. GDP grew sharply (43%) through the COVID-19 pandemic year of 2020, and is anticipated to continue at a high level in 2021 (estimated at 20%). The non-oil sectors contracted as public health measures were in place to control the virus spread; the growth of GDP rests on the oil sector for these two years.