for 2003 , treasury services was how much of the total total treasury & securities services operating revenue?
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, | Operating Revenue |
| :--- | :--- |
| (in millions) | 2003 | 2002 | Change |
| Treasury Services | $1,927 | $1,818 | 6% |
| Investor Services | 1,449 | 1,513 | (4) |
| Institutional Trust Services<sup>(a)</sup> | 928 | 864 | 7 |
| Other<sup>(a)(b)</sup> | (312) | (303) | (3) |
| Total Treasury & Securities Services | $3,992 | $3,892 | 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. .

revenue_2003 = 1927
revenue_total = 3992
percent_2003 = revenue_2003 / revenue_total
answer = percent_2003 * 100