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Data Table for Historical Trends

Historical Trends (2002-2021)

Incidence, Montana, Brain & ONS, All Races (incl Hisp), All Ages, Both Sexes

Incidence, Montana, Brain & ONS, All Races (incl Hisp), All Ages, Both Sexes


PeriodAnnual Percent Change 1
(95% Confidence Intervals)
Recent Trend
2002-2021 -0.3 (-1.1, 0.5) stable

YearObservedEstimated
20029.37.9
20037.47.9
20047.77.8
20058.57.8
20067.57.8
20076.37.8
20087.37.7
20096.87.7
20108.17.7
20118.17.7
20127.77.7
20137.57.6
20148.07.6
20157.97.6
20167.57.6
20176.67.5
20187.97.5
20197.57.5
20206.8N/A
20217.87.4

Notes: