Title:               Openness at Current Prices for United States
Series ID:           OPENCPUSA156NUPN
Source:              University of Pennsylvania
Release:             Penn World Table 7.1 (Not a Press Release)
Seasonal Adjustment: Not Seasonally Adjusted
Frequency:           Annual
Units:               Percent
Date Range:          1950-01-01 to 2010-01-01
Last Updated:        2012-09-17 11:24 AM CDT
Notes:               Exports plus Imports divided by GDP is the total trade as a percentage
                     of GDP. More information is available at
                     http://pwt.econ.upenn.edu/Documentation/append61.pdf
                     
                     For proper citation, see
                     http://pwt.econ.upenn.edu/php_site/pwt_index.php 
                     
                      Source Indicator: openc

DATE              VALUE
1950-01-01  8.206487136
1951-01-01  9.436354945
1952-01-01  8.901001852
1953-01-01  8.378731171
1954-01-01  8.475392305
1955-01-01  8.675674425
1956-01-01  9.422009338
1957-01-01  9.803642670
1958-01-01  8.852294571
1959-01-01  8.745736679
1960-01-01  9.457187078
1961-01-01  9.269114831
1962-01-01  9.273254692
1963-01-01  9.311281726
1964-01-01  9.629584152
1965-01-01  9.609845658
1966-01-01  9.957673210
1967-01-01 10.107238850
1968-01-01 10.460411860
1969-01-01 10.484377100
1970-01-01 11.270491800
1971-01-01 11.254827990
1972-01-01 11.836734690
1973-01-01 13.620097860
1974-01-01 17.106325710
1975-01-01 16.102008130
1976-01-01 16.615078490
1977-01-01 16.969606680
1978-01-01 17.534378980
1979-01-01 18.982464420
1980-01-01 20.761670760
1981-01-01 20.072816320
1982-01-01 18.167735540
1983-01-01 17.268812910
1984-01-01 18.138700170
1985-01-01 17.185595830
1986-01-01 17.473841220
1987-01-01 18.567780380
1988-01-01 19.718616000
1989-01-01 20.113611300
1990-01-01 20.535900470
1991-01-01 20.529344460
1992-01-01 20.707303510
1993-01-01 20.797363290
1994-01-01 21.820328280
1995-01-01 23.297052710
1996-01-01 23.532207920
1997-01-01 24.281296810
1998-01-01 23.676924840
1999-01-01 24.091216980
2000-01-01 25.947851740
2001-01-01 23.709436290
2002-01-01 22.976175860
2003-01-01 23.320888790
2004-01-01 25.251318040
2005-01-01 26.526746420
2006-01-01 27.874122200
2007-01-01 28.910821590
2008-01-01 30.967283670
2009-01-01 25.661444360
2010-01-01 29.047352060