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trends timeline for %E3%83%9A%E3%83%AD%E3%83%B3%EF%BC%9D%E3%83%95%E3%83%AD%E3%83%99%E3%83%8B%E3%82%A6%E3%82%B9%E3%81%AE%E5%AE%9A%E7%90%86%20-%20Perron%E2%80%93Frobenius%20theorem