T-SQL CTE

WITH ContinentsAndCurrencyUsage_CTE (ContinentCode,
                                     CurrencyCode,
                                     CurrencyUsage)
AS
(
    SELECT c.ContinentCode,
           cntr.CurrencyCode,
           COUNT(*) AS [Currency Usage]
     FROM Continents AS c
     INNER JOIN Countries AS cntr
     ON c.ContinentCode = cntr.ContinentCode
     GROUP BY c.ContinentCode, cntr.CurrencyCode
),
CountriesWithMaxCurrencyUsage_CTE (ContinendCode, CurrencyCode, MaxCurrencyUsage)
AS
(
   SELECT ContinentsAndCurrencyUsage_CTE.ContinentCode,
          ContinentsAndCurrencyUsage_CTE.CurrencyCode,
          MAX(ContinentsAndCurrencyUsage_CTE.CurrencyUsage) AS [Max currency usage]
    FROM ContinentsAndCurrencyUsage_CTE
    GROUP BY ContinentsAndCurrencyUsage_CTE.ContinentCode, ContinentsAndCurrencyUsage_CTE.CurrencyCode
    HAVING MAX(ContinentsAndCurrencyUsage_CTE.CurrencyUsage) > 1
),
ContinentsWithMaxCurrencyUsage_CTE (ContinentCode, MaxCurrencyUsage)
AS
(
    SELECT CountriesWithMaxCurrencyUsage_CTE.ContinendCode,
           MAX(CountriesWithMaxCurrencyUsage_CTE.MaxCurrencyUsage) AS [Max]
     FROM CountriesWithMaxCurrencyUsage_CTE
     GROUP BY CountriesWithMaxCurrencyUsage_CTE.ContinendCode
)

SELECT cont.ContinentCode,
       coun.CurrencyCode,
       cont.MaxCurrencyUsage
 FROM ContinentsWithMaxCurrencyUsage_CTE AS cont
 INNER JOIN CountriesWithMaxCurrencyUsage_CTE AS coun
 ON cont.ContinentCode = coun.ContinendCode AND
    cont.MaxCurrencyUsage = coun.MaxCurrencyUsage
 ORDER BY cont.ContinentCode