$$b$)$ Using a$3-$year weighted moving average in which the registrations in the most recent year are given a weight of$2,$ and registrations in the other $2$ years are each given a weight of$1,$ the forecasted registrations$($in thousands$)$ for years $4$ through $12$ are $($round your responses to one decimal $$place$)$:

Year

$4$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

$12$

Forecast

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