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Seasonality of Transportation Data

Figure 2

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Figure 2 shows Springfield, Massachusetts employment taken from the Bureau of Labor Statistics (BLS). Here we observe more jobs in 2001 compared to 2000 (until September 2001) and more jobs in 2000 compared to 1999, as expected. But a seasonal trend is also easily discernable. Each year, job numbers rise until a peak in June and then they drop for July and August.

FIGURE 2 - Springfield, MA Employment (from Bureau of Labor Statistics accessed June, 2004)

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Updated: 4/28/2011
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