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2003), 1.5693 (2002), 1.5488 (2001), 1.4851 (2000), 1.4857 (1999), Japanese yen per US dollar - 116.08 (2003), 125.39 (2002), 121.53 (2001), 107.77 (2000), 113.91 (1999), euros per US dollar - 0.8866 (2003), 1.0626 (2002), 1.1175 (2001), 1.08540 (2000), 0.93863 (1999) Fiscal year: 1 October - 30 September Communications United States Telephones - main lines in use: 181,599,900 (2003) Telephones - mobile cellular: 158.722 million (2003) Telephone system: general assessment: a large, technologically advanced, multipurpose communications system domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country international: country code - 1; 24 ocean cable systems in use; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000) Radio broadcast stations: AM 4,762, FM 5,542, shortwave 18 (1998) Radios: 575 million (1997) Television broadcast stations: more than 1,500 (including nearly 1,000 stations affiliated with the five major networks - NBC, ABC, CBS, FOX, and PBS; in addition, there are about 9,000 cable TV systems) (1997) Televisions: 219 million (1997) Internet country code: .us Internet hosts: 115,311,958 (2002) Internet Service Providers (ISPs): 7,000 (2002 est.) Internet users: 159 million (2002) Transportation United States Railways: total: 228,464 km standard gauge: 228,464 km 1.435-m gauge (2003) Highways: total: 6,406,296 km paved: 4,148,395 km (including 74,898 km of expressways) unpaved: 2,257,902 km (2002) Waterways: 41,009 km (19,312 km used for commerce) note: Saint Lawrence Seaway of 3,769 km, including the Saint Lawrence River of 3,058 km, shared with Canada (2004) Pipelines: petroleum products 244,620 km; natural gas 548,665 km (2003) Ports and harbors: Anchorage, Baltimore, Boston, Charleston, Chicago, Duluth, Hampton Roads, Honolulu, Houston, Jacksonville, Los Angeles, New Orleans, New York, Philadelphia, Port Canaveral, Portland (Oregon), Prudhoe Bay, San Francisco, Savannah, Seattle, Tampa, Toledo Merchant marine: total: 466 ships (1,000 GRT or over) 12,436,658
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