UUAWOL ministries index - whose got tattoos?

• Percentage of Millenials with at least one tattoo = 47%
• Percentage of Baby Boomers with at least one tattoo = 13%
• Revenue generated by the tattoo industry last year (2017) in U.S. = 1.6 billion
• Rate of growth in tattoo industry expected in 2018 = 7.7%
• Number of people with a tattoo of the UU flaming chalice = ?