Unemployment Insurance Gap

One of the difficulties of the present unemployment crisis is that the usual statistical measures do not adequately show all measurements relevant to the present.

In particular, the number of "99ers"- unemployment insurance exhaustees- is not counted by the Bureau of Labor Statistics. It is, in fact, quite difficult to compute- given that the much of the data resides at the state level.

Here is the most suggestive best dataset I've found so far:

National Unemployment Measures
Seasonally Adjusted
Data from 2007 to 2010

The total and insured rates of unemployment are graphed to illustrate how they track. The two measures correlate well. However, over time, the difference between them, also shown and sometimes referred to as the gap, has risen. This has been of concern as it underscores the problem of fewer of the unemployed collecting UI benefits.