Distribution of the literature by year of publication and country of institutional affiliation of the authors
| Country of institutional affiliation | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Year of publication | Australia | Belgium | Canada | Israel | Netherlands | Sweden | UK | USA | Total |
| 1998 | 1 | 1 | |||||||
| 2001 | 2 | 2 | |||||||
| 2002 | 1 | 1 | |||||||
| 2003 | 2 | 2 | 1 | 5 | |||||
| 2004 | 2 | 1 | 3 | ||||||
| 2005 | 1 | 2 | 2 | 5 | |||||
| 2006 | 1 | 1 | 2 | 4 | |||||
| 2007 | 2 | 1 | 3 | 1 | 7 | ||||
| 2008 | 3 | 1 | 1 | 1 | 1 | 7 | |||
| 2009 | 1 | 1 | 1 | 3 | 6 | ||||
| 2010 | 1 | 1 | 1 | 3 | 6 | ||||
| 2011 | 1 | 1 | 1 | 8 | 11 | ||||
| 2012 | 1 | 1 | 1 | 3 | |||||
| 2013 | 1 | 1 | |||||||
| Total | 13 | 3 | 3 | 1 | 1 | 1 | 14 | 26 | 62 |