Bar chart. Title: Countries represented in 2025. Top 15: United States, 52.8% United Kingdom, 10.9% Canada, 6.5% Germany, 5.5% Australia, 4.7% Netherlands, 1.7% France, 1.6% Poland, 1.2% Prefer not to say, 1.1% New Zealand, 1.0% Finland, 0.8% Russia, 0.8% Ireland, 0.7% Italy, 0.7% Sweden, 0.7%

Graph showing participation in 2023, 2024 and 2025. All lines rise sharply at the beginning and then the slope flattens a bit more after the first week and towards the end. The 2023 line ends at about 40,000. the 2024 line is much higher, ending at 48,000. 2025 is almost but not quite complete, and the line is a little higher than 2023 but a lot lower than 2024.