you can find the markets on coinmarketcap here:
https://coinmarketcap.com/currencies/bitcoin/#markets and do a quick math of each currency like JPY for Japanese exchanges, CNY for Chinese.
there is also this tool that may not have all of them but it has the important markets which you can check out:
https://data.bitcoinity.org/markets/volume/30d?c=e&t=blike this is for Japanese fiat:
https://data.bitcoinity.org/markets/volume/30d/JPY?c=e&t=bplay around with the options there and you get the gist.