Women in the Old Testament

Why are there so few women in the Old Testament? 

Men were the scribes, and wrote the books of the Bible. They used different names for God - Lord, Yahweh, and Eloheim. The Jewish Law decreed that, women were unclean in many ways, and many were also illiterate. Certain women have voices, (Rachel, Hannah, Ruth, Miriam, Esther, Deborah) however many are unnamed and were seen by men as ‘property’, and were treated as servants.