Table 3 Mean number of citations per document per year and cumulative number of citations
From: Global research output on HIV/AIDS–related medication adherence from 1980 to 2017
| Year | Number of publications on medication adherence | Number of citations | Mean number of citations per document | Cumulative number of citations | Year | Number of publications on medication adherence | Number of citations | Mean number of citations per document | Cumulative number of citations |
|---|---|---|---|---|---|---|---|---|---|
| 1992 | 2 | 1 | 0.5 | 1 | 2005 | 114 | 4679 | 41.0 | 46,330 |
| 1993 | 2 | 21 | 10.5 | 22 | 2006 | 166 | 9293 | 56.0 | 55,623 |
| 1994 | 2 | 152 | 76.0 | 174 | 2007 | 143 | 6649 | 46.5 | 62,272 |
| 1995 | 4 | 253 | 63.3 | 427 | 2008 | 155 | 5525 | 35.6 | 67,797 |
| 1996 | 6 | 267 | 44.5 | 694 | 2009 | 152 | 5115 | 33.7 | 72,912 |
| 1997 | 19 | 688 | 36.2 | 1382 | 2010 | 174 | 5841 | 33.6 | 78,753 |
| 1998 | 35 | 1490 | 42.6 | 2872 | 2011 | 202 | 5391 | 26.7 | 84,144 |
| 1999 | 49 | 3523 | 71.9 | 6395 | 2012 | 202 | 4369 | 21.6 | 88,513 |
| 2000 | 60 | 8571 | 142.9 | 14,966 | 2013 | 226 | 3477 | 15.4 | 91,990 |
| 2001 | 80 | 6358 | 79.5 | 21,324 | 2014 | 244 | 2939 | 12.0 | 94,929 |
| 2002 | 123 | 8163 | 66.4 | 29,487 | 2015 | 212 | 1830 | 8.6 | 96,759 |
| 2003 | 121 | 6508 | 53.8 | 35,995 | 2016 | 201 | 1016 | 5.1 | 97,775 |
| 2004 | 112 | 5656 | 50.5 | 41,651 | 2017 | 215 | 400 | 1.9 | 98,175 |