SEs | 2015 | 2016 | 2017 | 2018 | 2019 | |||||
Quantities (piece) | Proportions (%) | Quantities (piece) | Proportions (%) | Quantities (piece) | Proportions (%) | Quantities (piece) | Proportions (%) | Quantities (piece) | Proportions (%) | |
1 | 4 | 2.08 | 8 | 4.17 | 5 | 2.60 | 12 | 6.25 | 9 | 4.69 |
[0.8, 1) | 5 | 2.60 | 142 | 73.96 | 4 | 2.08 | 148 | 77.08 | 103 | 53.65 |
[0.5, 0.8) | 179 | 93.23 | 40 | 20.83 | 177 | 92.19 | 32 | 16.67 | 79 | 41.15 |
(0, 0.5) | 4 | 2.08 | 2 | 1.04 | 6 | 3.13 | 0 | 0.00 | 1 | 0.52 |