Please answer the given financial question based on the context.
Context: j.p . morgan chase & co . / 2003 annual report 33 corporate credit allocation in 2003 , tss was assigned a corporate credit allocation of pre- tax earnings and the associated capital related to certain credit exposures managed within ib 2019s credit portfolio on behalf of clients shared with tss . prior periods have been revised to reflect this allocation . for 2003 , the impact to tss of this change increased pre-tax operating results by $ 36 million and average allocated capital by $ 712 million , and it decreased sva by $ 65 million . pre-tax operating results were $ 46 million lower than in 2002 , reflecting lower loan volumes and higher related expenses , slightly offset by a decrease in credit costs . business outlook tss revenue in 2004 is expected to benefit from improved global equity markets and from two recent acquisitions : the november 2003 acquisition of the bank one corporate trust portfolio , and the january 2004 acquisition of citigroup 2019s electronic funds services business . tss also expects higher costs as it integrates these acquisitions and continues strategic investments to sup- port business expansion . by client segment tss dimensions of 2003 revenue diversification by business revenue by geographic region investor services 36% ( 36 % ) other 1% ( 1 % ) institutional trust services 23% ( 23 % ) treasury services 40% ( 40 % ) large corporations 21% ( 21 % ) middle market 18% ( 18 % ) banks 11% ( 11 % ) nonbank financial institutions 44% ( 44 % ) public sector/governments 6% ( 6 % ) europe , middle east & africa 27% ( 27 % ) asia/pacific 9% ( 9 % ) the americas 64% ( 64 % ) ( a ) includes the elimination of revenue related to shared activities with chase middle market in the amount of $ 347 million . year ended december 31 , operating revenue .
|year ended december 31 , ( in millions )|year ended december 31 , 2003|year ended december 31 , 2002|change|
|treasury services|$ 1927|$ 1818|6% ( 6 % )|
|investor services|1449|1513|-4 ( 4 )|
|institutional trust services ( a )|928|864|7|
|other ( a ) ( b )|-312 ( 312 )|-303 ( 303 )|-3 ( 3 )|
|total treasury & securities services|$ 3992|$ 3892|3% ( 3 % )|
( a ) includes a portion of the $ 41 million gain on sale of a nonstrategic business in 2003 : $ 1 million in institutional trust services and $ 40 million in other . ( b ) includes the elimination of revenues related to shared activities with chase middle market , and a $ 50 million gain on sale of a non-u.s . securities clearing firm in 2002. .
Question: for 2003 , treasury services was how much of the total total treasury & securities services operating revenue?


Answer: The answer is:0.48272