[
  {
    usa: [
      {
        year: 1990,
        delta: 2,
        coverage: 43,
      },
      {
        year: 1991,
        delta: 3,
        coverage: 44,
      },
      {
        year: 1992,
        delta: 5,
        coverage: 45,
      },
      {
        year: 1993,
        delta: 9,
        coverage: 58,
      },
      {
        year: 1994,
        delta: 10,
        coverage: 60,
      },
    ],
    canada: [
      {
        year: 1990,
        delta: 2,
        coverage: 43,
      },
      {
        year: 1991,
        delta: 3,
        coverage: 44,
      },
      {
        year: 1992,
        delta: 5,
        coverage: 45,
      },
      {
        year: 1993,
        delta: 9,
        coverage: 58,
      },
      {
        year: 1994,
        delta: 10,
        coverage: 60,
      },
    ],
    france: [
      {
        year: 1990,
        delta: 2,
        coverage: 43,
      },
      {
        year: 1991,
        delta: 3,
        coverage: 44,
      },
      {
        year: 1992,
        delta: 5,
        coverage: 45,
      },
      {
        year: 1993,
        delta: 9,
        coverage: 58,
      },
      {
        year: 1994,
        delta: 10,
        coverage: 60,
      },
    ],
  },
];