In general, 35 percent of people prefer pistachios already shelled. But among those who say that if they had to tell their darkest secrets to someone, they'd rather it be their best friend than a complete stranger, 49 percent prefer pistachios already shelled.
Based on a survey of 129 people who say that if they had to tell their darkest secrets to someone, they'd rather it be their best friend than a complete stranger, and 338 people total.