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{"x":1720,"y":15.8}
{"x":1730,"y":15.6}
{"x":1740,"y":15.5}
{"x":1750,"y":14.8}
{"x":1760,"y":14}
{"x":1770,"y":13.5}
{"x":1780,"y":13}
{"x":1790,"y":12}
{"x":1795,"y":11}