I meant on whom was filing for divorce (male vs female), not the total divorce rate.
Two hundred years ago, women were the legal property of their husbands. The person who broke the marriage was determined by the court to be "at fault" and punished accordingly. Adultery was illegal, and even the adulterer's sex partner could be sued or jailed. As it should be.
Today's family breakdown is largely attributable to so-called "no-fault" divorce, which has become a lucrative industry for lawyers, accountants, therapists, etc since the late 1960s. The longer they can keep the fighting going between the parties over the money and children, since no one can be declared "at fault" and have the whole thing over with, the more money they make.
That's why bad divorces happen to both men and women. The lawyers discuss the situation, determine how much money is in the pot, and keep it going wherever they find a weakness, in husband or in wife.