| Year | Industry sector | Total Drawing Count | |||
| Sum square | Mean square | F | p | ||
| 2017 | between sectors | 11495140.1 | 1277237.8 | 10.060 | 0.001*** |
| within sectors | 176611424.8 | 126967.2 |
|
| |
| 2018 | between sectors | 14929106.1 | 1658789.6 | 9.474 | 0.001*** |
| within sectors | 276805385.2 | 175082.5 |
|
| |
| 2019 | between sectors | 15504022.5 | 1722669.2 | 9.389 | 0.001*** |
| within sectors | 301993368.6 | 183471.1 |
|
| |
| 2020 | between sectors | 13181358.3 | 1464595.4 | 6.950 | 0.001*** |
| within sectors | 367540771.9 | 210745.9 |
|
| |
| 2021 | between sectors | 26944966.3 | 2993885.1 | 10.188 | 0.001*** |
| within sectors | 762017760.9 | 293875.0 |
|
| |