As an AI language model, I don’t have access to real-time data or current statistics. However, I can provide you with a list of some of the top online gambling markets that have typically experienced growth in recent years. Please note that the exact rankings may vary depending on the source and methodology used. Here are 10 potential online gambling markets known for their growth:
1. United States
2. United Kingdom
3. Germany
4. France
5. Italy
6. Spain
7. Canada
8. Australia
9. India
10. Brazil
Please keep in mind that online gambling regulations and market growth can change rapidly, and some countries may have restrictions or specific regulations for online gambling. For the most accurate and up-to-date information, it is recommended to refer to industry reports or consult expert sources.