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Percentage of reviewed articles by season.
| Season | Percentage |
|---|---|
| Studies conducted only in summer months or warm months, or hot months | 34.67% |
| Studies conducted in both warm and cold months | 25.33% |
| Studies conducted in the summer and spring months | 2.67% |
| Studies conducted in all four seasons | 22.67% |
| Season not stated | 14.67% |
