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14
15## countries by year
16
17```dataview
18TABLE join(unique(map(filter(flat(rows.tags), (t) => startswith(t, "country/")), (t) => replace(t, "country/", ""))), ", ") AS "Countries"
18TABLE length(unique(map(filter(flat(rows.tags), (t) => startswith(t, "country/")), (t) => replace(t, "country/", "")))) AS "Countries", join(unique(map(filter(flat(rows.tags), (t) => startswith(t, "country/")), (t) => replace(t, "country/", ""))), ", ") AS "List"
19WHERE date
20SORT date DESC
21GROUP BY dateformat(date, "yyyy") AS "Year"
22```
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