Table 1. Number of Cohabiting Couples, Based on Two Indirect 
         Measures: 1977-1997.

Source:  U.S. Census Bureau
Internet Release date:  July 16, 1999

(thousands)
-------------------------------------------------- 
                                    Difference as
              Adjusted   Difference    percent of
 Year  POSSLQ   POSSLQ in thousands        POSSLQ
--------------------------------------------------
 1977     968    1,097       129          13.3             
 1978   1,155    1,295       140          12.1             
 1979   1,353    1,531       178          13.2             
 1980   1,560    1,776       216          13.8             
 1981   1,808    2,059       251          13.9             
 1982   1,863    2,124       261          14.0             
 1983   1,891    2,173       282          14.9             
 1984   1,980    2,268       288          14.5             
 1985   1,983    2,304       321          16.2             
 1986   2,220    2,533       313          14.1             
 1987   2,334    2,780       446          19.1             
 1988   2,588    2,999       411          15.9             
 1989   2,764    3,215       451          16.3             
 1990   2,856    3,324       468          16.4             
 1991   3,039    3,493       454          14.9             
 1992   3,308    3,836       528          16.0             
 1993   3,510    4,014       504          14.4             
 1994   3,662    4,272       610          16.7             
 1995   3,667    4,312       645          17.6             
 1996   3,958    4,602       644          16.3             
 1997   4,125    4,856       731          17.7             
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Source: Current Population Survey.