Как правильно по-английски "Часть бюджетов некоторых государств идет (тратится) на освоение космоса"?

Question

Игорь Федосеев · Accepted Answer

Some nation's budgets are partly being spent on space exploration

Екатерина Вячеславовна · Answer

Part of the budget of some states is spent on space exploration. 
 
Some states spend part of their budget on space exploration. 
 
Some states spend a portion of their budgets on space exploration. 
 
Some states allocate a portion of their budgets to space exploration.