behavior subject to operant conditioning, and involuntary behavior is everything else. It might be clearer to define voluntary behavior as fully transparent to reinforcement.
you have to read this to get your answer hope this help
According to studies conducted in 2005 and 2010, approximately 65 percent of adults in the United States reported experiencing obsessions or compulsions at some point in their lives, but only 4 percent of them went on to be diagnosed obsessive-compulsive disorder.