Gabonese public expenditures from the years of significant oil revenues were not spent efficiently. That means cutting costs and increasing revenues. Current year expenses are paid from current Social Security tax revenues. Petroleum accounts for nearly half of GDP and 90% of export revenues and government income. That they may contribute to declining tax revenues. This is covered by tax revenues and income derived from public contributions. Amazon accounted for 1.3 percent of 2018 revenues. The governor also cited lower than expected tax revenues. The Fortune 500 ranking set SABIC revenues as of $40.2 billion. This was done in hopes of increasing revenues through more ticket sales. Its revenues and assets at that time were zero. Royalties partially offset the difference between their 2010 and 2011 revenues. Some programs are paid for entirely out of tax revenues. The government will get ready for the reduction in future tax revenues. Military expenses placed a considerable strain on royal revenues.