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Seasonality of Transportation Data

Figure 3

Figure 3 shows monthly employment values (the weighted number of people who responded that they worked last week-including serving in the armed forces and working without pay for a family business) for 1999, 2000, 2001 and the weighted average of the three years. Here, employment for the three years cross and only 1999 exhibits a peak in December. None of the years show a dip in July and only year 2000 shows a dip in August, and in contrast to the BLS data, also in September.

FIGURE 3 - ACS Employment in Hampden County, MA

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