Over the past 5 years, the revenue shrank in the first and last year, with growth in the middle 3 years, averaging at an 8.6% growth rate. The operating profit in 2023 shrank by 47.6% due to the decline in gross margin, averaging a 12.7% growth rate. The net income in 2023 shrank by 52.8%, averaging a 22.8% growth rate. The interest expense in 2023 accounted for 2.2% of the operating profit, indicating a very light interest burden. The gross margin decreased from 16% to 20% in the past 5 years, then declined to 14.5%. The return on equity dropped from a high point of 24.4% in 2021 to 9.4%.