it is written on the neck - Made In Korea.
But, yeah, it is pretty complicated to understand what is the year of production since there is no record of dating Korean Squiers before 1993, as I understand.
Wiki says - "S/E: The S and E serial number prefix Korean Squiers are from the late 1980s/early 1990s." So i guess it has to be somewhere there.
Nice instrument, nonetheless, and I got it really cheap from pawnshop - 75 EUR...