如何在Vega图表中每隔n个刻度后显示标签

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 400,
  "height": 200,
  "data": [
    {
      "name": "table",
      "values": [
        {"x": 0, "y": 28},
        {"x": 1, "y": 43},
        {"x": 2, "y": 81},
        {"x": 3, "y": 19},
        {"x": 4, "y": 52},
        {"x": 5, "y": 87},
        {"x": 6, "y": 12},
        {"x": 7, "y": 63},
        {"x": 8, "y": 34},
        {"x": 9, "y": 59}
      ]
    }
  ],
  "scales": [
    {
      "name": "xscale",
      "type": "linear",
      "range": "width",
      "domain": {"data": "table", "field": "x"}
    },
    {
      "name": "yscale",
      "type": "linear",
      "range": "height",
      "domain": {"data": "table", "field": "y"},
      "nice": true
    }
  ],
  "axes": [
    {
      "orient": "bottom",
      "scale": "xscale",
      "tickCount": {"signal": "ceil(data('table').length / 2)"},
      "title": "X Axis"
    },
    {
      "orient": "left",
      "scale": "yscale",
      "title": "Y Axis"
    }
  ],
  "marks": [
    {
      "type": "line",
      "from": {"data": "table"},
      "encode": {
        "enter": {
          "x": {"scale": "xscale", "field": "x"},
          "y": {"scale": "yscale", "field": "y"},
          "stroke": {"value": "steelblue"},
          "strokeWidth": {"value": 2}
        }
      }
    },
    {
      "type": "text",
      "from": {"data": "table"},
      "encode": {
        "enter": {
          "x": {"scale": "xscale", "field": "x"},
          "y": {"scale": "yscale", "field": "y"},
          "text": {"field": "y"},
          "align": {"value": "center"},
          "baseline": {"value": "bottom"},
          "fontSize": {"value": 10},
          "fill": {"value": "black"},
          "dx": {"value": 0},
          "dy": {"value": 5}
        },
        "update": {
          "opacity": {"signal": "datum.x % 2 === 0 ? 1 : 0"}
        }
      }
    }
  ]
}