Father’s Day spending has grown 70 percent, approximately $6.6 billion, since 2009. The biggest drivers of Father’s Day spending are growth in spending by consumers ages 35-44, and spending on clothing, special outings and gift cards.

A few highlights:

• What’s most important when purchasing a gift for Dad? According to NRF’s survey, 45 percent of respondents are looking for something that’s unique.
• Over a third of those planning to celebrate this year are interested in gifting dads a product subscription box.
• Greeting cards and home improvement tools aren’t the only gifts for Dad: 47 percent of those celebrating Father’s Day are planning to gift a special outing.
• Father’s Day shoppers would love some help: 28 percent indicated they always or very often look to retailers for inspiration when purchasing gifts for the dads in their lives.

NRF’s survey is conducted by Prosper Insights and Analytics.