While it is possible to use more than 2 metrics in one chart, you really shouldn't... Table is fine though.
Trading pairs by Exchange (per Week)
Total
HitBTC
TradeSatoshi
CoinExchange
OKEx
Livecoin
Binance
Gate
Huobi
IDEX
Bittrex
Bitfinex
Tidex
Bibox
Bit-Z
Sistemkoin
Lykke
Liquid
Mercatox
CoinBene
Poloniex
LBank
Bleutrade
BigONE
ZB
Exmo
CoinEx
Bilaxy
Kraken
YoBit
Raisex
Bithumb
Allcoin
BitBay
Coinbase Pro
Gatecoin
Quoine
OOOBTC
Zaif
Bxinth
xBTCe
Kuna
Braziliex
C-CEX
The Rock Trading
Bitstamp
Coinone
Cex
Independent Reserve
Coinnest
BTC Trade UA
