Figure 1
The horizontal axis is labeled “Year,” ranging from 1970 to 2023 in increments of 2 years. The vertical axis is labeled “Number of Publications” and ranges from 0 to 30 in increments of 5 units. A black line with data points connects the number of publications recorded for each year: (1970, 2), (1971, 0), (1972, 0), (1973, 1), (1974, 1), (1975, 0), (1976, 0), (1977, 1), (1978, 2), (1979, 2), (1980, 5), (1981, 2), (1982, 3), (1983, 2), (1984, 0), (1985, 0), (1986, 1), (1987, 0), (1988, 2), (1989, 0), (1990, 0), (1991, 0), (1992, 1), (1993, 4), (1994, 1), (1995, 1), (1996, 5), (1997, 4), (1998, 1), (1999, 5), (2000, 3), (2001, 6), (2002, 8), (2003, 4), (2004, 7), (2005, 15), (2006, 12), (2007, 11), (2008, 13), (2009, 15), (2010, 14), (2011, 21), (2012, 15), (2013, 13), (2014, 23), (2015, 28), (2016, 24), (2017, 16), (2018, 23), (2019, 20), (2020, 21), (2021, 21), (2022, 25), and (2023, 32). Note: All numerical data values are approximated.Annual production of documents. Source: Author’s own work