BeginPackage["Wikicode`Indium`"]
Production::usage="Production[date] gives the annual world indium production from the specified date."
Begin["`Private`"]
Production[from_Integer]:=Select[indiumData["Production"],DateDifference[{from},#[[1]]] >= 0&]
indiumData["Production"] =
MapAt[{Round@#} &, #, 1] & /@
Import["http://minerals.usgs.gov/ds/2005/140/ds140-indiu.xlsx"][[1,
42 ;; 81, {1, 9}]]
End[]
EndPackage[]
