```json { "table_name": "2016", "table_type_tags": [ {"tag": "dimension", "confidence": 0.95} ], "primary_type": "dimension", "insufficient_evidence": false, "entity": { "columns": ["Country"], "unique_per_row": true }, "time_axis": null, "reasoning": "Country is the entity with Uniqueness 1.000 (157 unique values across 157 rows). The table records 2016 happiness metrics for each country — one row per country with descriptive attributes (Happiness Score, GDP, Family, Health, Freedom, etc.). No time axis exists within this table; the year '2016' is the table name, indicating this is one period of a time-series dataset with sibling tables (2015, 2017, 2018, 2019). Standalone, this table is dimension: each row uniquely describes one country's 2016 state." } ```