Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input str33 country float(countrygenid unemployment_recipients_2000 unemployment_recipients_2005 unemployment_recipients_2007)
"Albania"                 2 10.2    .    .
"Albania"                 2    .  6.7    .
"Albania"                 2    .    .  7.8
"Albania"                 2    .    .    .
"Albania"                 2    .    .    .
"Albania"                 2    .    .    .
"Albania"                 2    .    .    .
"Algeria"                  3  7.3    .    .
"Algeria"                  3    .    .    .
"Argentina"              5    .    .    .
"Argentina"              5    .  2.3    .
"Argentina"              5    .    .  4.3
end

In the dataset above, I have a variable for each year of the indicator that I'm looking at. I want the country ids to be unique indentifiers - that is, I want all observations for the same country to be on the same line. How can I do this? Thank you in advance!