Fig. 1 in Patterns and progress of Malaysia's amphibian research in the 21 century

Fig. 1. The number of amphibian research papers published between January 2000 and September 2021 (A); the years 2000–2010 (B); and the years 2011–2021 (C). Regression lines are shown in blue (local polynomial regression fitting method) and red (linear regression method). Grey shading represents the 95% confidence interval of the linear regression model. Numbers next to points represent the total number of papers published that year.