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

1	Year	Beef	Chicken
2	1909	51.1	10.4
3	1910	48.5	11.0
4	1911	47.2	11.1
5	1912	44.5	10.6
6	1913	43.6	10.3
7	1914	42.7	10.3
8	1915	38.8	10.2
9	1916	40.6	9.6
10	1917	44.6	9.4
11	1918	47.2	9.4
12	1919	42.4	10.1
13	1920	40.7	9.7
14	1921	38.2	9.5
15	1922	40.7	10.1
16	1923	41.1	10.4
17	1924	41.0	9.7
18	1925	41.0	10.1
19	1926	41.5	10.1
20	1927	37.5	10.8
21	1928	33.6	10.4
22	1929	34.2	10.1
23	1930	33.7	11.1
24	1931	33.4	10.0
25	1932	32.1	10.2
26	1933	35.5	10.4
27	1934	43.9	9.6
28	1935	36.6	9.3
29	1936	41.6	9.6
30	1937	38.0	9.7
31	1938	37.4	9.0
32	1939	37.6	10.0
33	1940	37.8	10.0
34	1941	42.6	11.0
35	1942	45.9	12.7
36	1943	43.0	16.0
37	1944	46.6	15.3
38	1945	48.0	15.1
39	1946	44.2	13.9
40	1947	49.2	12.5
41	1948	44.2	12.6
42	1949	44.7	13.5
43	1950	44.6	14.3
44	1951	41.2	15.0
45	1952	43.9	15.2
46	1953	54.5	15.1
47	1954	56.0	15.6
48	1955	57.2	14.7
49	1956	59.5	16.8
50	1957	58.7	17.5
51	1958	55.9	19.2
52	1959	56.6	19.7
53	1960	59.1	19.1
54	1961	61.0	20.5
55	1962	61.7	20.5
56	1963	65.4	21.0
57	1964	70.6	21.3
58	1965	70.4	22.8
59	1966	73.7	24.5
60	1967	75.3	25.1
61	1968	77.3	25.2
62	1969	77.8	26.3
63	1970	79.8	27.4
64	1971	79.2	27.4
65	1972	80.5	28.3
66	1973	76.0	27.1
67	1974	80.7	27.0
68	1975	83.2	26.4
69	1976	88.8	28.5
70	1977	86.3	29.0
71	1978	82.2	30.4
72	1979	73.5	32.8
73	1980	72.1	32.7
74	1981	72.8	33.7
75	1982	72.5	33.9
76	1983	74.1	34.0
77	1984	73.8	35.3
78	1985	74.6	36.4
79	1986	74.4	37.2
80	1987	69.5	39.4
81	1988	68.6	39.6
82	1989	65.1	40.5
83	1990	63.9	42.5
84	1991	62.9	44.2
85	1992	62.4	46.5
86	1993	61.0	48.1
87	1994	62.9	48.7
88	1995	63.5	48.2
89	1996	64.0	48.6
90	1997	62.6	50.0
91	1998	63.6	50.4
92	1999	64.3	53.6
93	2000	64.5	54.2
94	2001	63.1	54.0
95	2002	64.5	56.8
96	2003	61.9	57.6
97	2004	63.0	59.3
98	2005	62.5	60.5
99	2006	62.8	60.9
100	2007	62.1	59.9
101	2008	59.4	58.7
102	2009	58.1	56.1
103	2010	56.7	58.0
104	2011	54.4	58.4
105	2012	54.5	56.7
106	2013	53.6	57.7
107	2014	51.5	58.8
108	2015	51.4	62.6
109	2016	52.9	63.2
110	2017	54.3	64.1