[
  {
    "year": "2019",
    "mean_gold_pct": 49.42,
    "mean_us_pct": 25.52,
    "mean_japan_pct": 0.0
  },
  {
    "year": "2020",
    "mean_gold_pct": 57.53,
    "mean_us_pct": 10.99,
    "mean_japan_pct": 8.69
  },
  {
    "year": "2021",
    "mean_gold_pct": 61.0,
    "mean_us_pct": 24.94,
    "mean_japan_pct": 0.0
  },
  {
    "year": "2022",
    "mean_gold_pct": 89.03,
    "mean_us_pct": 5.5,
    "mean_japan_pct": 0.0
  },
  {
    "year": "2023",
    "mean_gold_pct": 45.58,
    "mean_us_pct": 25.34,
    "mean_japan_pct": 14.5
  },
  {
    "year": "2024",
    "mean_gold_pct": 41.61,
    "mean_us_pct": 33.5,
    "mean_japan_pct": 5.87
  },
  {
    "year": "2025",
    "mean_gold_pct": 36.8,
    "mean_us_pct": 18.57,
    "mean_japan_pct": 18.7
  },
  {
    "year": "2026",
    "mean_gold_pct": 41.65,
    "mean_us_pct": 5.67,
    "mean_japan_pct": 14.23
  }
]