Limit to the top 15-20 highest cost days to keep the table manageable.
### Usage Insights
Provide analysis including:
- Number of high usage days (over $20)
- Cache effectiveness assessment
- Token distribution breakdown
- Primary model identification
- Usage patterns and trends
### Recommendations
Based on the data, provide:
- Cost management insights
- Cache optimization observations
- Usage pattern analysis
Please format everything in clean, readable markdown with proper tables and bullet points. Focus on actionable insights and clear presentation of the cost and usage data.