text: 1,what is the relative contribution of california to u.s. fruit and nut production? 2,top 5 fruits produced worldwide. 3,the leading 5 fruit exporting countries 4,the top 5 fruits consumed in the usa 5,five fruit and nut species that originated in the usa 6,6.what is the value of eating fruits and nuts to human health? if you're talking humans, about 76% of the national output.