Comment by granzymes

I didn't include the breakdown for the sake of brevity (and also because with only 3 categories it is quite nebulous) but here you go.

  In thousands, except percentage

                             |  2019   |  2020    | YoY
  ---------------------------|---------|----------|-----
  research and development   | $56,364 | $76,784  | 36%
  sales and marketing        | $57,042 | $107,249 | 88%
  general and administrative | $29,810 | $37,215  | 25%