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Text Version Of Figure 1

Figure 1
U.S. Investigations and Challenges as Percent of Notifications 1988-2000

This figure is a graphical representation of the data in the following table.

  1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 >2000
Investigations 8.45% 10.93% 16.49% 17.99% 16.30% 16.41% 11.73% 12.14% 13.96% 11.97% 9.18% 7.91% 5.60%
Challenges 0.87% 0.66% 1.46% 1.77% 0.82% 1.25% 1.83% 1.81% 1.71% 1.59% 1.78% 1.64% 1.62%


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Updated June 21, 2023