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I have a sheet in Numbers where I once a week input the current reading from our electricity meter like below:

| Date | Reading | | per day | |------------|------------|---------|----------------| | 2016-01-01 | 25.601 KWh | 0 KWh | 0 KWh | | 2016-01-08 | 25.667 KWh | 66 KWh | 9 KWh | | 2016-01-15 | 25.753 KWh | 86 KWh | 12 KWh | | 2016-01-22 | 25.826 KWh | 73 KWh | 10 KWh | | 2016-01-29 | 25.907 KWh | 81 KWh | 12 KWh | | 2016-02-05 | 25.979 KWh | 72 KWh | 10 KWh | | 2016-02-12 | 26.043 KWh | 64 KWh | 9 KWh |

I have data from beginning of 2016 to present and I would like to somehow plot this in a 2D-line chart where the X-axis is January to December and then have a line per year, so currently I would have a line for 2016, 2017 and 2018. The Y-axis would be usage per day.

I can't seem to make this happen, hope you can help me :)

-Morten

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