This interactive multi-series line chart visualizes monthly electric production values from 1985 onward, with each line representing a data column from a TSV file. Users can hover over lines to highlight them, click to toggle their visibility, and zoom in on the time axis. The visualization uses D3 v7’s `d3.line` with `d3.curveBasis`, `d3.scaleTime`, `d3.scaleOrdinal`, and `d3.zoom`, rendering SVG paths with animated transitions. Data is parsed with `d3.timeParse` and loaded via `d3.tsv`.