Figure 2.
The horizontal axis is year of publication, ranging from 1998 to 2024. The vertical axis is number of articles, ranging from 0.0 to 4.0 in 0.5 intervals. Article counts are 1 in 1998, 2 in 2009, 3 in 2012, 2 in 2013, 3 in 2014, 3 in 2015, 2 in 2016, 1 in 2017, 1 in 2018, 1 in 2019, 4 in 2020, 4 in 2021, 3 in 2022, 2 in 2023, and 3 in 2024.Temporal distribution of articles over the years
Source: Authors’ own work.