سؤال قراءة ستيب محلول — فهم التفاصيل (تدريب 7916)

Line chart titled "Coffee availability in the United States peaked in 1946". Y-axis: Gallons per person, 0 to 60 in steps of 10. X-axis: years 1910 to 2005 in 5-year intervals. Three lines: Coffee (brown) rises unevenly from about 20 gallons in 1910 to a mid-40s peak around 1946-1950, then declines with fluctuation through the 1950s-1980s into the 20s-30s, falling to its lowest point of the whole series around 1995 (about 20 gallons or below) before ticking up slightly toward 2005; Carbonated soft drinks (blue) has no data before the mid-1940s, begins around 1945 near 10 gallons, and climbs steadily to peak in the low 50s by the mid-1990s before easing slightly; Tea (green) stays low and roughly flat at about 5-10 gallons throughout. Source line printed on the chart: "USDA, Economic Research Service using data on carbonated soft drinks from the Bureau of the Census for 1947-77 and the Beverage Marketing Corporation for 1980-2005."