This property defines the Unicodes which have numeric value as 19
Characters like ᛰ,⑲,⒆, etc. are listed under 19 Numeric Value.
8 Characters are present in 19 Numeric Value starting with the Unicode point U+16F0 that represents the character ᛰ.
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.