The US State Department has not published numbers of winners by country statistics since the DV-2018 program.
However, numbers of DV Lottery participants by region for FY 2019 though FY 2021 are noted here:
|Region||FY 2019||FY 2020||FY 2021|
|South and Central America and the Caribbean||273,033||528,428||327,402|
In FY 2021, the number of entrants fell by more than half. If this trend continues, your odds of winning are more than doubled!