{"version":"1.0","type":"rich","title":"United States GDP","description":"A bar chart displays quarterly United States GDP growth from 1947 to 2015, with each bar’s height representing billions of dollars and hovering revealing a tooltip with the exact value. The visualization uses D3 v5 to load JSON data from FreeCodeCamp’s GitHub repository, scales the GDP values with `d3.scaleLinear`, and renders axis ticks via `d3.axisBottom` and `d3.axisLeft`. Bars are appended as SVG `rect` elements, animated through mouseover and mouseout transitions that show an overlay and tooltip.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a877e6a4ac4a43bcbb29fd3465b7d289?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}