Every year, more than 795,000 people in the United States have a stroke. About 610,000 of these are first or new strokes. About 185,000 strokes—nearly 1 in 4—are in people who have had a previous stroke. About 87% of all strokes are ischemic strokes, in which blood flow to the brain is blocked.

Stroke Facts | cdc.gov

130/550000=0.000236

795000*0.87/330000000=0.00209