| Year | January Issue | July Issue |
|---|---|---|
| 2022 | News Letter 2022 | News Letter 2022 |
| 2021 | News Letter 2021 | News Letter 2021 |
| 2019 | Vol 22, No.2, Jan 2019 | Vol 21, No. 2, July 2018 & Vol 22, No.1, Jan 2019 |
| 2015 | Volume 18, No.1 | Volume 18, No.2 |
| 2013 | Volume 16, No.1 | Volume 16, No.2 |
| 2012 | Volume 15, No.1 | Volume 15, No.2 |
| 2011 | Volume 14, No.1 | Volume 14, No.1 |
| 2010 | Volume 13, No.1 | Volume 13, No.2 |
| 2009 | Volume 12, No.1 | Volume 12, No.2 |
| 2008 | Volume 11, No.1 | Volume 11, No.2 |
| 2007 | Volume 10, No.1 | Volume 10, No.2 |
| 2006 | Volume 09, No.1 | Volume 09, No.2 |
| 2005 | Volume 08, No.1 | Volume 08, No.1 |
