Given the sample information in the following table regarding public opinion on gun control, what percent of Democrats have no opinion? 
Definitions:
Merchandisers
Businesses that purchase and sell goods without significantly altering their form.
Performance Obligation
A duty or commitment that a company must fulfill to transfer a promised good or service to a customer.
Sales Returns And Allowances
Sales returns and allowances account for the reduction in sales revenues due to returned or defective products allowed by a company to its customers.
Sales Discounts
Reductions in the price of goods or services offered to customers, typically in exchange for early payment.
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