Figure 1
A vertical bar chart shows number of articles published per year from 1989 to 2023.The vertical bar chart is titled “Articles”. The horizontal axis lists years from 1989 to 2023 in increments of 1 year. The vertical axis ranges from 0 to 90 with increments of 10 units. The chart shows 35 bars. The data values for each year are as follows: 1989: 1; 1990: 2; 1991: 5; 1992: 4; 1993: 0; 1994: 2; 1995: 7; 1996: 7; 1997: 4; 1998: 1; 1999: 1; 2000: 1; 2001: 3; 2002: 1; 2003: 1; 2004: 0; 2005: 3; 2006: 6; 2007: 4; 2008: 5; 2009: 7; 2010: 7; 2011: 8; 2012: 4; 2013: 5; 2014: 4; 2015: 7; 2016: 8; 2017: 18; 2018: 17; 2019: 28; 2020: 52; 2021: 64; 2022: 81; 2023: 79. Note: All numerical data values are approximated.

Publication trend. Source: Authors

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