Figure 2
The horizontal axis is marked with seventeen years from left to right as follows: “2005,” “2009,” “2011,” “2012,” “2013,” “2014,” “2015,” “2016,” “2017,” “2018,” “2019,” “2020,” “2021,” “2022,” “2023,” “2024,” and “2025.” The vertical axis ranges from 0 to 40 in increments of 5 units. The graph shows seventeen vertical bars. The data for the seventeen bars are as follows: 2005: 1. 2009: 1. 2011: 2. 2012: 1. 2013: 2. 2014: 7. 2015: 5. 2016: 6. 2017: 4. 2018: 7. 2019: 6. 2020: 5. 2021: 16. 2022: 9. 2023: 18. 2024: 34. 2025: 9.Distribution of selected articles by publication year. Source: Created by authors