On this page you can find data with the Leader-Year as the unit of aggregation. Only leader-years that reach the minimum of 4000 words are found in this data.
The entire sample with Leader-Year as the unit of aggregation for Leadership Trait Analysis can be found HERE
The entire sample with Leader-Year as the unit of aggregation for Operational Code can be found HERE
These data sets contain a total of 561 different leader-years.