amount_sat  parts=1  parts=2  parts=4  parts=8  endpoint_bound
    10,000   100.0%   100.0%   100.0%   100.0%          100.0%
    30,000    99.1%    99.4%    99.5%    99.5%           99.7%
   100,000    95.1%    96.1%    97.7%    97.9%           98.3%
   300,000    69.7%    77.4%    82.5%    84.4%           87.3%
 1,000,000    17.5%    27.3%    32.6%    38.6%           60.2%
 3,000,000     0.8%     0.9%     2.1%     3.8%           21.3%