# \donttest{
# Add government expenditure share of GDP
df <- data.frame(country = c("USA", "JPN", "AUS"))
result <- add_gov_exp_share_column(df, id_column = "country")
# With specific years
df <- data.frame(country = c("USA", "JPN"), year = c(2015, 2020))
result <- add_gov_exp_share_column(
df, id_column = "country", date_column = "year"
)
# }
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