Kyrgyzstan's principal exports, which go overwhelmingly to other CIS countries, are nonferrous metals and minerals, woolen goods and other agricultural products, electric energy, and certain engineering goods. In turn, the Republic relies on other former Soviet states for petroleum and natural gas, ferrous metals, chemicals, most machinery, wood and paper products, some foods, and most construction materials. In 1999, Kyrgyz exports to the U.S. totaled $11.2 million, and imports from the U.S. totaled $54.2 million. In 2017, Kyrgyzstan exports were estimated to be worth $1.84 billion, while their imports were at an estimated $4.187 billion. Kyrgyzstan's major exports include gold, cotton, wool, garments, meat, mercury, uranium, electricity, machinery, and shoes. Major imports include oil and gas, machinery and equipment, chemicals, and foodstuffs.