Note that Age Categories are as below:
If you were born;
before 02.09.2013 and after 01.09.2010, you are a YOUNGSTER VOI.
before 02.09.2010 and after 01.09.2007, you are a JUNIOR VOI.
before 02.09.2007 and after 01.09.2003, you are a TEEN VOI.
before 02.09.2003 and after 01.09.1997, you are a SENIOR VOI.