Figure 4
A stacked bar graph compares the number of articles published by different countries from 2020 to 2025. The horizontal axis represents the years 2020 to 2025, and the vertical axis represents the number of articles, ranging from 0 to 20. Each bar is divided into segments representing different countries, with each color corresponding to a specific country. The countries included are USA, UK, UAE, Qatar, Peru, Norway, New Zealand, Malaysia, Ireland, India, China, Australia, and others. The graph shows the following data for each year: 2020: USA 3, UK 1, UAE 1, Norway 3, China 2, total 11. 2021: USA 1, UK 1, UAE 1, Qatar 1, Peru 1, Norway 6, total 13. 2022: USA 2, UK 1, Qatar 1, Peru 1, Norway 5, total 11. 2023: USA 1, UK 1, UAE 1, Qatar 1, Peru 1, Norway 7, total 19. 2024: USA 1, UK 3, UAE 1, Norway 8, India 4, total 19. 2025: UK 1, Norway 2, New Zealand 1, total 4.Annual distribution of articles by country. Authors’ own work