Over the past 5 years, revenue has slightly increased amidst fluctuations, with an average growth rate of 3.6%. Operating profit has rapidly increased in the past 3 years due to improvements in gross margin, with a 5-year average growth rate of 19%. Net income growth has been even faster, increasing 6 times in 2021, 53% in 2022, and 9.9% in 2023. In 2023, interest expenses accounted for 16.5% of operating profit, indicating a heavy interest burden. Gross margin has increased from 5.8% to 7.5% in the past 5 years, while return on equity has fluctuated from 3.1% increase to 24.8% and then back down to 16.7%.