This property defines the Unicodes which have numeric value as 30
Characters like ፴,〺,㉊, etc. are listed under 30 Numeric Value.
19 Characters are present in 30 Numeric Value starting with the Unicode point U+1374 that represents the character ፴.
Currently, as per latest version 15.0.0, Unicode supports 150 number of Numeric Value. Here are a few examples - 0,1,1/10, etc.