Note that somebody who wrote this record specification was a bit stupid.
1) You actually needed max. 2 bytes for client code, if it's really a number type.
2) You actually needed max. 4 bytes, while compiled bad way, or 1, when good or booled, for sex. Nobody uses text for it.
3) If sex is made using text, it actually needs 7 bytes to keep word "Female", because of null-byte (for people who don't know what's this: "END OF TEXT" sign).