Which are the top 10 central banks with the most significant policy changes this year?

The top 10 central banks with the most significant policy changes this year are:

1. Federal Reserve (United States)
2. European Central Bank (European Union)
3. Bank of Japan (Japan)
4. Bank of England (United Kingdom)
5. Reserve Bank of Australia (Australia)
6. People’s Bank of China (China)
7. Bank of Canada (Canada)
8. Reserve Bank of India (India)
9. Bank of Mexico (Mexico)
10. Central Bank of Brazil (Brazil)