From the late 1970s to the 1980s, the annual economic growth rate remained at around 7%, but it dropped to 2% to 3% in the 1990s. The tourism sector is the most important part of the national economy. With agriculture and tourism as the main sectors, tourism accounts for 40% of the Gross National Product. The main agricultural products are cotton, sugarcane, and root vegetables. The industrial sector mainly involves agricultural product processing and refining. Antigua and Barbuda emphasizes the development of tourism, manufacturing, and agriculture, actively attracting foreign investment, encouraging the construction of public facilities, and promoting joint ventures.