Text stimulus (line-graph): A line graph titled 'Annual deaths in a small county.' Years 1-4 counts: 3, 6, 2, 5. Population labels beneath each year: 2,050; 2,020; 2,000; 1,980. Additional evidence: a secondary small table listing the corresponding crude rates per 1,000 rounded to 1.5, 3.0, 1.0, 2.5. What is the best way to communicate the pattern?