data1={{1900,11.00},{1904,11.00},{1908,10.80},{1912,10.80},{1920,10.80},{1924,10.60},{1928,10.80},{1932,10.30},{1936,10.30},{1948,10.30},{1952,10.40},{1956,10.50},{1960,10.20},{1964,10.00},{1968,9.95},{1972,10.14},{1976,10.06},{1980,10.25},{1984,9.99},{1988,9.92},{1992,9.96},{1996,9.84},{2000,9.87},{2004,9.85},{2008,9.69},{2012,9.63}};
data2={{1928,12.20},{1932,11.90},{1936,11.50},{1948,11.90},{1952,11.50},{1956,11.50},{1960,11.00},{1964,11.40},{1968,11.08},{1972,11.07},{1976,11.08},{1980,11.06},{1984,10.97},{1988,10.54},{1992,10.82},{1996,10.94},{2000,10.75},{2004,10.93},{2008,10.78},{2012,10.75}};

Export["/Users/troyday/Desktop/Transfer/BB Chapter11/data1.txt",data1,"TSV"]
Export["/Users/troyday/Desktop/Transfer/BB Chapter11/data2.txt",data2,"TSV"]