Come gli immigrati influenzano leconomia degli Stati Uniti

Anno,Percentuale della popolazione degli Stati Uniti 1850,9,7 1860,13,2 1870,14,4 1880,13,3 1890,14,8 1900,13,6 1910,14,7 1920,13,2 1930,11.4 6 1940,8.8 1950,6.9 1960,5.4 1970,4.7 1980,6.2 1990,7.9 2000,11.1 2010,12.9 2013,13.1 Anno,Log rapporto capitale-lavoro,Tendenza 1948-1980,Estrapolata 1948-80 tendenza 1948,4.18,4.21, 1949,4.24,4.23, 1950,4.26,4.26, 1951,4.28,4.28, 1952,4.31,4.3, 1953,4.32,4.33, 1954,4.37,4.35, 1955,4.37,4.37, 1956,4.38,4.4, 1957,4.42,4.42, 1958,4.48,4.44, 1959,4.47,4.47, 1960,4.49,4.49, 1961,4.52,4.52, 1962,4.54,4.54, 1963,4.56,4.56, 1964,4.58,4.59, 1965,4.59,4.61, 1966,4.62,4.63, 1967,4.66,4.66, 1968,4.68,4.68, 1969,4.7,4.71, 1970,4.74,4.73, 1971,4.78,4.75, 1972,4.79,4.78, 1973,4.8,4.8, 1974,4.84,4.82, 1975,4.9,4.85, 1976,4.9,4.87, 1977,4.9,4.9, 1978,4.88,4.92, 1979,4.9,4.94, 1980,4.94,4.97,4.97 1981,4.98,,4.99 1982,5.04,,5.01 1983,5.06,,5.04 1984,5.06,,5.06 1985,5.08,,5.09 1986,5.11,,5.11 1987,5.12,,5.13 1988,5.13,,5.16 1989,5.15,,5.18 1990,5.17,,5.2 1991,5.22,,5.23 1992,5.24,,5.25 1993,5.25,,5.27 1994,5.25,,5.3 1995,5.27,,5.32 1996,5.29,,5.35 1997,5.31,,5.37 1998,5.35,,5.39 1999,5.4,,5.42 2000,5.44,,5.44 2001,5.49,,5.46 2002,5.55,,5.49 2003,5.58,,5.51 2004,5.59,,5.54 2005,5.6,,5.56 2006,5.62,,5.58 2007,5.64,,5.61 2008,5.68,,5.63 2009,5.74,,5.65 2010,5.76,,5.68 2011,5.75,,5.7 2012,5.75,,5.73 2013,5.75,, 5.75 ,Nativo,Non cittadino Da 0 a 14,22.1,6.1 Da 15 a 24,15,13 Da 25 a 34,12,25 Da 35 a 44,12,24 Da 45 a 54,14,17 Da 55 a 64,12,8 Da 65 a 74,8,4 Da 75 a 84,4,2 85 e oltre,2,1