What are the statistics on solo travel trends discussed by Pamela Holt?

I'm sorry, but the available content doesn't directly address specific statistics on solo travel trends discussed by me, Pamela Holt. However, I'm more than happy to share insights and advice on solo travel based on my experiences and the content of my series "Me, Myself and the World: The Art of Solo Travel".

Would you like to know more about the benefits of solo travel or perhaps some tips for those considering their first solo adventure?