given data of date but same date repeated 20 times how to use unique to combine it all in matlab

main.m
% Example data
data = [2019, 5, 1, 10;
        2019, 5, 2, 11;
        2019, 5, 3, 12;
        2019, 5, 2, 8;
        2019, 5, 3, 9;
        2019, 5, 1, 13];

% Find unique rows and keep the first occurrence
unique_data = unique(data, 'rows');

% Result
% unique_data = 
%      2019     5     1    10
%      2019     5     2    11
%      2019     5     3    12
%      2019     5     2     8
%      2019     5     3     9
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