Highcharts 多个数据点同时出现在同一日期时间图表中

我正在使用折线图来绘制图表。 我在同一时间有多个数据点，如下所示

[[Date.UTC(2015,05,25,03,29), 560], [Date.UTC(2015,05,25,03,29), 548],
[Date.UTC(2015,05,25,03,29), 628], [Date.UTC(2015,05,25,03,29), 740], 
[Date.UTC(2015,05,25,03,29), 380], [Date.UTC(2015,05,25,03,29), 548], 
[Date.UTC(2015,05,25,03,29), 628], [Date.UTC(2015,05,25,03,29), 740], 
[Date.UTC(2015,05,25,03,29), 380], [Date.UTC(2015,05,25,03,29), 548], 
[Date.UTC(2015,05,25,03,29), 628], [Date.UTC(2015,05,25,03,29), 740], 
[Date.UTC(2015,05,25,03,29), 380], [Date.UTC(2015,05,25,03,29), 548], 
[Date.UTC(2015,05,25,03,29), 628], [Date.UTC(2015,05,25,03,29), 740], 
[Date.UTC(2015,05,25,03,29), 7740], [Date.UTC(2015,05,25,03,29), 548], 
[Date.UTC(2015,05,25,03,29), 628], [Date.UTC(2015,05,25,03,29), 740], 
[[Date.UTC(2015,05,25,03,29), 380], [Date.UTC(2015,05,25,19,46), 204], 
[Date.UTC(2015,05,25,19,46), -248], [Date.UTC(2015,05,25,19,46), 220], 
[Date.UTC(2015,05,25,19,46), -192], [Date.UTC(2015,05,25,19,46), -696], 
[Date.UTC(2015,05,25,19,46), -132], [Date.UTC(2015,05,25,19,46), -76],
[Date.UTC(2015,05,25,19,48), 2688], [Date.UTC(2015,05,25,19,49), 1668],
[Date.UTC(2015,05,25,19,49), 788], [Date.UTC(2015,05,25,19,49), 584],
[Date.UTC(2015,05,25,19,49), 100]]

如果绘制上述值，则只能看到最新的值

for [Date.UTC(2015,05,25,03,29) : 380
for [Date.UTC(2015,05,25,19,46) : -76
for [Date.UTC(2015,05,25,19,49) :100

另外，如果我在excel中下载图形值，它只有上面的值

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我如何在excel工作表中的图形中同时看到所有数据点？

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