In the past 5 years, revenue has declined in 2020 and 2021, and has grown in the other 3 years. Operating profit almost zeroed out in 2018 and incurred losses in 2021, while profitable in the other 3 years. Net income incurred losses in 2018 and 2021, with an average net income of only 0.012 billion in the past 5 years. Interest expenses accounted for 14% of operating profit in 2022, indicating a heavy interest burden. Return on equity is 24%, but the highest in the previous 4 years did not reach 10%.