Summary

Description Project 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 'Book Milestones' statistics from http://www.gutenbergnews.org/statistics/
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 .

Source code and data

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

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

set xdata time
set timefmt "%Y-%m"
set xrange ["1994-01":"2015-11"]
set format x "%Y"
set key off
unset mxtics

set xtics nomirror
set ytics nomirror
set grid
set border 3

set xlabel "Year"
set ylabel "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 derived from the 'Book Milestones' section of the Project Gutenberg news site statistics page , plus the news page for the release of ebook #50000 , and 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
2015-10 50000

Licensing

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.