- chartpack:
    format: gcubed-chartpack
    version: 1.4.0
    title: Illustrative activity paths
    sector_selection_dimensions:
    - sectors
    - layers
    defaults:
      start_year: 2025
      end_year: 2035
- chart:
    title: Illustrative activity paths
    caption: Synthetic regional activity paths use complete annual observations; real gaps remain gaps.
    x_axis:
      label: Year
    y_axis:
      label: Activity index (2025 = 100)
    series:
    - variable: SYNTHINDEX(USA)
      label: Illustrative North
    - variable: SYNTHINDEX(JPN)
      label: Illustrative East
    - variable: SYNTHINDEX(ROW)
      label: Illustrative Rest