SELECT
st.SalesTerritoryGroup,
st.SalesTerritoryCountry,
d.CalendarYear,
SUM(s.SalesAmount) SalesAmount
FROM
dbo.FactResellerSales s
JOIN dbo.DimDate d on d.DateKey = s.OrderDateKey
JOIN dbo.DimSalesTerritory st on
st.SalesTerritoryKey = s.SalesTerritoryKey
GROUP BY
st.SalesTerritoryGroup,
st.SalesTerritoryCountry,
d.CalendarYear
ORDER BY
st.SalesTerritoryGroup,
st.SalesTerritoryCountry