May registered a sharp increase in the value of the FAO Food Price Index.

http://www.fao.org/worldfoodsituation/foodpricesindex/en/

The FAO Food Price Index (FFPI) averaged 127.1 points in May 2021, 5.8 points (4.8 percent) higher than in April and as much as 36.1 points (39.7 percent) above the same period last year. The May increase represented the biggest month-on-month gain since October 2010. It also marked the twelfth consecutive monthly rise in the value of the FFPI to its highest value since September 2011, bringing the Index only 7.6 percent below its peak value of 137.6 points registered in February 2011. The sharp increase in May reflected a surge in prices for oils, sugar and cereals along with firmer meat and dairy prices.

If you don’t know what this means, food prices are linked to social unrest, with the Arab Spring heavily connected to food prices

h/t  imrduckington