According to the table, why we decided to use EUR/USD pair as out target trading ?

Rank Currency Currency symbol % daily share (April 2016) United States dollar USD (US$) 87.6% Euro EUR () 31.4% Japanese Yen JPY () 21.6% Pound sterling GBP () 12.8% Australian dollar AUD (AS) 6.9% Canadian dollar 5.1% CAD (CS) CHF (Fr) Swiss franc 4.8% Renminbi CNY (0) 4.0% Swedish Krona SEK (kr) 2.2% New Zealand dollar NZD (NZ$) 2.1% Other 21.5% Total 200.0% EURUSD 1 1.1077 +.0005 v BGN 1.1076 / 1.1077 BGN At 12:29_Op 1.1072 Hi 1. 1085 LO 1. 1071 Close 1. 1072 Value 10/21/19 EURUSD BGN Curncy 98 Calendar 99 Euro Currencies Security Description EURUSD Spot Exchange Rate - Price of 1 EUR in USD Currency Details Trading Activity 3) IMF Report Related Instruments The euro is the official currency of the European Economic & Monetary Union. The US dollar is the official currency of the United States of America. Summary Sources Quotes Notional O... Notional N... BIS Avg Daily Volume 1172Bln ADV NDF ADV Option Avg Daily NDF sz/trds Avg Daily Opt sz/trds 3.08Bln 12.58Bln 41.63MM/74 40.57MM/310 LILLLUT 52 Week High 52 Week Low 1.1570 1.0879 IBRIS X 14134 100 2007 2008 2009 2000 2012 2013 2014 2015 2006 2017 2018 2019 Rank Currency Currency symbol % daily share (April 2016) United States dollar USD (US$) 87.6% Euro EUR () 31.4% Japanese Yen JPY () 21.6% Pound sterling GBP () 12.8% Australian dollar AUD (AS) 6.9% Canadian dollar 5.1% CAD (CS) CHF (Fr) Swiss franc 4.8% Renminbi CNY (0) 4.0% Swedish Krona SEK (kr) 2.2% New Zealand dollar NZD (NZ$) 2.1% Other 21.5% Total 200.0% EURUSD 1 1.1077 +.0005 v BGN 1.1076 / 1.1077 BGN At 12:29_Op 1.1072 Hi 1. 1085 LO 1. 1071 Close 1. 1072 Value 10/21/19 EURUSD BGN Curncy 98 Calendar 99 Euro Currencies Security Description EURUSD Spot Exchange Rate - Price of 1 EUR in USD Currency Details Trading Activity 3) IMF Report Related Instruments The euro is the official currency of the European Economic & Monetary Union. The US dollar is the official currency of the United States of America. Summary Sources Quotes Notional O... Notional N... BIS Avg Daily Volume 1172Bln ADV NDF ADV Option Avg Daily NDF sz/trds Avg Daily Opt sz/trds 3.08Bln 12.58Bln 41.63MM/74 40.57MM/310 LILLLUT 52 Week High 52 Week Low 1.1570 1.0879 IBRIS X 14134 100 2007 2008 2009 2000 2012 2013 2014 2015 2006 2017 2018 2019