The rate of hysterectomies in the United States has remained fairly constant over time. In 1994, there were some 556,000 hysterectomies performed for a rate of 214.7/100,000 persons (not just women). In 2004, there were about 617,000 such procedures performed for a rate of 21.1/10,000 persons.
The rate by year and by age group as well as the the number by year and age group are also available.
These data come from the Hospital Discharge Survey.