Point a few charts at a ChatGPT export and a shape appears: what you reach for it for, when you use it, and how that drifts over a couple of years. Below is a worked example on invented data.
24 months, January 2024 to December 2025. A gentle climb as the habit settles in.
Conversations grouped into ten plain buckets.
Local time. Quiet overnight, busy in the evening.
Weekdays carry most of it, weekends ease off.
By quarter. Learning rises, travel comes in seasonal waves.
| Topic | Conversations | Share | What this says |
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This is the method, not anyone's real history. The numbers above were rolled from a random generator the moment this page loaded.
Your own version comes from your own export: in ChatGPT, open Settings > Data controls > Export, download the file, and point the same charts at it. It never has to leave your machine.