Evaluating indicator | Relative correlation degree in 2019 | Relative correlation degree in 2020 | Relative correlation degree in 2021 |
Network sales | 0.65 | 0.58 | 0.73 |
Mobile app usage rate | 0.45 | 0.53 | 0.60 |
Social media interaction index | 0.35 | 0.40 | 0.50 |
Data analysis and application situation | 0.58 | 0.62 | 0.68 |
Customer feedback and satisfaction | 0.72 | 0.78 | 0.85 |