| Date - Field | Japan - Location |
2008 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2007 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2006 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2005 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2004 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2003 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2002 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2001 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |
2000 January Location | Eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula |