How to combine countBy and filter in lodash

by

I have following data array:

const data = [
  { year: 1900, title: 'test 1' },
  { year: 2000, title: 'test 2' },
  { year: 2000, title: 'test 3' },
  { year: 2000, title: 'test 4' },
];

My aim is to get an array of years where each given year appear more than twice:

[2000]

the countBy is fairly easy to achieve by:

_.chain(data)
.countBy('year')
.value()

which returns the following object:

{'1900': 1, '2000': 3}

I’m stumbling upon the filtering part. I tried the following but it returns me an empty array:

_.chain(data)
  .countBy('year')
  .filter((o) => {
    o > 2;
  })
  .value();

What would be the correct way?

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