Nature of report | Year of publication | Row total N (%) | ||||||
2001 & 2002 N (%) | 2003 & 2004 N (%) | 2005 & 2006 N (%) | 2007 & 2008 N (%) | 2009 & 2010 N (%) | 2011 & 2012 N (%) | 2013 & 2014 N (%) | ||
Empirical | 7 (70.0) | 11 (84.6) | 23 (88.5) | 34 (94.4) | 29 (85.3) | 30 (85.7) | 24 (75.0) | 158 (84.9) |
Conceptual | 3 (30.0) | 2 (15.4) | 3 (11.5) | 2 (5.6) | 5 (14.7) | 5 (14.3) | 8 (25.0) | 28 (15.1) |
Column total | 10 (100) | 13 (100) | 26 (100) | 36 (100) | 34 (100) | 35 (100) | 32 (100) | 186 (100) |