What happened to frozen corn prices in 1995?

I have been playing around with the new version of Mathematica, and you can access all kinds of data through the WolframAlpha command.  I simply typed "=corn prices" and a graph popped up, and by clicking on the graph you are able to grab the underlying data (they give you the commands if you click on the series),

I grabbed the frozen corn series, and plotted it.  What happened in 1995?

Nothing showed up on Google, so I think it may be a break in the data series.  This reminds us of an important lesson:  always ask where the data come from, how it was collected, and exactly what it shows