Greetings to all I am new in STATA, I am currently working on Panel data, the main variables are: -Countries: 16 countries -years: 27 years -Product complexity Index (PCI) for each year and each country and so the product code I am looking for a command to extract the top 10 values ​​of PCI for each Country and each year and to display a table contains in rows the 10 code product selected and in columns the series of years Thanks