visual-data/VT2-examples/vt2-ch6-codedata-dir/web/differencechart/data/beef-vs-chicken-difference.csv

Year,Beef,Chicken
1909,51.1,10.4
1910,48.5,11.0
1911,47.2,11.1
1912,44.5,10.6
1913,43.6,10.3
1914,42.7,10.3
1915,38.8,10.2
1916,40.6,9.6
1917,44.6,9.4
1918,47.2,9.4
1919,42.4,10.1
1920,40.7,9.7
1921,38.2,9.5
1922,40.7,10.1
1923,41.1,10.4
1924,41.0,9.7
1925,41.0,10.1
1926,41.5,10.1
1927,37.5,10.8
1928,33.6,10.4
1929,34.2,10.1
1930,33.7,11.1
1931,33.4,10.0
1932,32.1,10.2
1933,35.5,10.4
1934,43.9,9.6
1935,36.6,9.3
1936,41.6,9.6
1937,38.0,9.7
1938,37.4,9.0
1939,37.6,10.0
1940,37.8,10.0
1941,42.6,11.0
1942,45.9,12.7
1943,43.0,16.0
1944,46.6,15.3
1945,48.0,15.1
1946,44.2,13.9
1947,49.2,12.5
1948,44.2,12.6
1949,44.7,13.5
1950,44.6,14.3
1951,41.2,15.0
1952,43.9,15.2
1953,54.5,15.1
1954,56.0,15.6
1955,57.2,14.7
1956,59.5,16.8
1957,58.7,17.5
1958,55.9,19.2
1959,56.6,19.7
1960,59.1,19.1
1961,61.0,20.5
1962,61.7,20.5
1963,65.4,21.0
1964,70.6,21.3
1965,70.4,22.8
1966,73.7,24.5
1967,75.3,25.1
1968,77.3,25.2
1969,77.8,26.3
1970,79.8,27.4
1971,79.2,27.4
1972,80.5,28.3
1973,76.0,27.1
1974,80.7,27.0
1975,83.2,26.4
1976,88.8,28.5
1977,86.3,29.0
1978,82.2,30.4
1979,73.5,32.8
1980,72.1,32.7
1981,72.8,33.7
1982,72.5,33.9
1983,74.1,34.0
1984,73.8,35.3
1985,74.6,36.4
1986,74.4,37.2
1987,69.5,39.4
1988,68.6,39.6
1989,65.1,40.5
1990,63.9,42.5
1991,62.9,44.2
1992,62.4,46.5
1993,61.0,48.1
1994,62.9,48.7
1995,63.5,48.2
1996,64.0,48.6
1997,62.6,50.0
1998,63.6,50.4
1999,64.3,53.6
2000,64.5,54.2
2001,63.1,54.0
2002,64.5,56.8
2003,61.9,57.6
2004,63.0,59.3
2005,62.5,60.5
2006,62.8,60.9
2007,62.1,59.9
2008,59.4,58.7
2009,58.1,56.1
2010,56.7,58.0
2011,54.4,58.4
2012,54.5,56.7
2013,53.6,57.7
2014,51.5,58.8
2015,51.4,62.6
2016,52.9,63.2
2017,54.3,64.1