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DescriptionProject Gutenberg total books.svg	English: Graph showing total number of books published by Project Gutenberg over time.
Date	2 July 2008
Source	Own work by uploader, based on the website of Project Gutenberg
Author	Qef
Other versions	Alternative graph, bitmap version of this but based on slightly different data: Image:PG_growth.png
SVG development InfoField	The SVG code is valid.  This plot was created with Gnuplot.

This file may be updated to reflect new information. If you wish to use a specific version of the file without it being overwritten, please upload the required version as a separate file.

This graph was generated with gnuplot using the following input file:

set terminal svg font "DejaVu Sans,12" size 600,400
set output "Project_Gutenberg_total_books.svg"

set xdata time
set timefmt "%Y-%m"
set xrange ["1994-01":]
set format x "%Y"
set key off

set tics nomirror
set grid
set border 3

# Wikipedia in many languages uses this file.
# To avoid translation, use emojis.
set xlabel "📅"  # Year
set ylabel norotate "📚"  # Number of Books

plot "Project_Gutenberg_total_books.data" using 1:2 \
     with line linetype rgbcolor "red" linewidth 2

The data file Project_Gutenberg_total_books.data is based on the website of Project Gutenberg.

• Records from 1 to 40,000 are derived from the Book Milestones (PG U.S.) section of Statistics (archived) on Project Gutenberg News.
• Later records are according to Release Dates of books by EBook-No. For example, John Gutenberg, No. 50,000, was released on 2015-09-17. The assumption can be verified by Project Gutenberg Releases eBook #50,000 (archived) on Project Gutenberg News.

The data file currently contains the following:

1971-07 1
1989-08 10
1994-01 100
1997-08 1000
1999-05 2000
2000-12 3000
2001-10 4000
2002-04 5000
2003-10 10000
2005-01 15000
2008-04 25000
2009-10 30000
2012-06 40000
2015-09 50000
2017-06 55000
2019-07 60000
2021-04 65000
2023-02 70000
2024-12 75000

This work has been released into the public domain by its author, Qef. This applies worldwide. In some countries this may not be legally possible; if so: Qef grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.