About BASE: Statistics

Development of the number of indexed sources and documents in BASE since September 2004. Chart and Table will be updated every 2 months on the final day of the month.

Chart

Chart - Development since September 2004

Table

Month Documents Sources
August 2014 63,803,072 3143
June 2014 62,048,475 3057
April 2014 60,623,169 2973
February 2014 58,807,232 2874
December 2013 56,721,741 2788
October 2013 52,096,227 2763
August 2013 50,063,294 2690
June 2013 48,257,332 2612
April 2013 44,495,710 2536
February 2013 42,585,595 2485
November 2012 39,867,143 2390
July 2012 37,199,958 2276
May 2012 35,794,163 2201
March 2012 34,291,810 2156
January 2012 33,016,946 2107
November 2011 33,414,799 2078
September 2011 31,044,880 2026
July 2011 31,177,636 1966
May 2011 28,537,062 1837
March 2011 26,920,383 1725
January 2011 26,487,173 1693
November 2010 25,508,112 1724
September 2010 25,518,361 1730
July 2010 25,232,582 1722
May 2010 24,502,133 1666
March 2010 23,244,312 1533
January 2010 22,053,584 1405
November 2009 21,514,939 1374
September 2009 21,285,168 1346
July 2009 20,517,820 1284
May 2009 19,630,356 1242
March 2009 18,372,311 1191
January 2009 14,801,478 1027
November 2008 13,556,388 977
September 2008 12,733,728 954
July 2008 12,433,625 903
May 2008 10,103,232 767
March 2008 8,454,810 638
January 2008 7,347,568 527
November 2007 7,336,893 502
September 2007 7,127,670 463
July 2007 7,078,610 447
May 2007 5,531,805 417
March 2007 5,397,884 405
January 2007 4,510,934 320
November 2006 4,042,619 283
September 2006 3,855,144 270
July 2006 3,359,711 240
May 2006 2,979,849 224
March 2006 2,778,099 201
January 2006 2,396,891 189
November 2005 2,417,983 160
September 2005 2,363,351 130
July 2005 2,156,283 102
May 2005 1,501,826 56
March 2005 817,581 49
January 2005 769,642 41
November 2004 783,102 35
September 2004 679,311 15