How to draw three box plot for each job title in each year from 2020,2021,2022(using vegalite)?

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Hi, I have got this dataset:

1668180435989
1668180435989814×608 39.1 KB

and so far I have draw this:
1668179516971
1668179516971886×46 14.6 KB

1668180000525
1668180000525886×618 98.1 KB

I need to draw three box plot for each job title to represent the different work year from 2020,2021,2022(use vegalite package), can someone please give me some advices?
Thanks!