It turns out that enough of them stay after completing education to offset the negative impact of those that leave before a significant net contribution to the economy. (politics.stackexchange.com)
So, thanks entirely to Rolls - Royce, each member of SFO staff has made an average net contribution of # 1m to the Treasury. (lawyer-monthly.com)
To put those numbers into post-presidency nonprofit context, the George W. Bush Foundation received $ 52 million in net contributions in 2014, and in the same period the Carter Center received $ 17 million in net donations. (cnbc.com)