The graph below is intended for citizens who still believe that U.S. drivers are not essential in order for IndyCar racing to be competitive in the marketplace. Before viewing the chart, please consider the data it represents.
Red represents IndyCar attendance at Chicagoland Speedway from 2001 to 2009. Bruce Martin reported that crowds have declined to 30,000 today from 60,000 in the early years of the event. We calculated the Compound Annual (negative) Growth Rate (CAGR) and indexed the results from zero to 100 based on percentage of the largest crowd, 60,000 in 2001. Note that CAGR assumes smooth year-over-year declines that are intended only to approximate the actual numbers.
Blue represents the number of U.S. drivers in the starting field at Chicagoland from 2001 to 2009. We indexed the actual totals from zero to 100 based on percentage of the greatest number of U.S. drivers in a given year, 19 in 2001. This is factual data from IndyCar.com.
Blue = Number of U.S. Drivers in Chicagoland Starting Field
Red = Attendance at Chicagoland IndyCar Event
The data suggest a strong correlation between attendance at the Chicagoland IndyCar event and the number of U.S. drivers in the starting field. Causation should not be inferred. Nevertheless, this snapshot supports our claim that U.S. driver participation and U.S. consumer demand are indeed correlated.
Roggespierre
This graph is ridiculous. Your graph says that in 2001 100% of the drivers were American.
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