lines = vl.markLine({ point: true, tooltip: true, interpolate: 'monotone', size: 1 })
.encode(
vl.x().fieldQ('damage').scale({ domain: [0, 8] }).axis({ tickCount: 8, orient: 'top', offset: 5 }),
vl.y().fieldQ('count').axis({ format: '%', gridDash: [2, 2] }),
)