options crt;
out nichol;
doc CAMELS  'Camels sales, billions of cigarettes';
doc LUCKY   'Lucky Strike sales, billions of cigarettes';
doc CHESTER 'Chesterfield sales, billions of cigarettes';
doc REYADV  'Reynolds Advertising Outlay, Thousands of dollars (Camels)';
doc AMEADV  'American Advertising Outlay, Thousands of dollars (Lucky)';
doc LIGADV  'Liggett-Myers Advertising Outlay, Thousands of dollars (Chester)';
doc RLINC   'Real Disposable Personal Income, Billions of 1958 dollars';
?Source:  William H. Nicholls, PRICE POLICIES IN THE CIGARETTE INDUSTRY,
?         Nashville: Vanderbilt University Press, 1951.  Sales data, 
?         Tables 25 and 40; advertising data, Tables 37 and 47.  Real
?         disposable personal income from the 1967 ECONOMIC REPORT OF 
?         THE PRESIDENT, Washington DC:  US Government Printing Office, 
?         Table B-16, p. 232.
load;
end;
noprint;
freq a; smpl 31,49;
load
@YEAR REYADV AMEADV LIGADV CAMELS LUCKY CHEST RLINC ;
1931 10006 13649  9130  33.3  44.5 22.8 133.7 
1932  2389 10850 11138  23.9  36.7 20.9 115.1 
1933 10248  7192  7590  25.6  36.7 29.3 112.2 
1934 10572  8120  9575  33.3  32.1 31.9 120.4 
1935  9384  5577  9443  39.4  30.7 31.8 131.8 
1936  9276  6837  8908  46.4  33.1 34.4 148.4 
1937  8428  5879  9332  47.7  34.5 34.7 153.1 
1938  8648  5665  8661  43.7  36.4 33.7 143.6 
1939  7875  4296  7713  42.8  38.3 33.1 155.9 
1940  7795  4694  8549  44.5  42.0 33.5 166.3 
1941  8023  4891  8344  48.5  49.5 37.5 190.3 
1942  7634  4198  6104  54.5  59.5 40.5 213.4 
1943  8252  5290  7528  57.5  68.0 50.0 222.8 
1944  5295  4642  6021  49.0  63.5 48.0 231.6 
1945  3929  2834  5308  56.5  71.0 55.5 229.7 
1946  6191  4160  4979  89.5 103.0 68.0 227.0 
1947 10477  6146  7793 100.0 101.0 71.5 218.0 
1948 11271  7479  9243  98.0 102.5 69.5 229.8 
1949 12324 10997  9158  98.0  91.4 67.5 230.8