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Count Customers per Country

The international expansion team wants to know where the customer base is concentrated. Count the number of customers in each country and sort by count descending.

Schema

🔑idINT
first_nameTEXT
last_nameTEXT
emailTEXT
phoneTEXTNULL
cityTEXT
stateTEXT
countryTEXT
created_atTIMESTAMP
postgresql

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