SLS has about 50% more lift capacity to LEO based on a quick google search. But Starship still can lift 100 metric tons to LEO. How much stuff are we launching

SLS has about 50% more lift capacity to LEO based on a quick google search. But Starship still can lift 100 metric tons to LEO. How much stuff are we launching that needs SLS's lift capability that couldn't be launched across multiple launches and assembled in space?