This property defines approval of Symbols as Unicode in version 6.2 in 2012
Characters like ₺, etc. are listed under 6.2 Age.
1 Characters are present in 6.2 Age starting with the Unicode point U+20BA that represents the character ₺.
Currently, as per latest version 15.0.0, Unicode supports 26 number of Age. Here are a few examples - 1.1,10.0,11.0, etc.