Statistics RL comp 1s doesn't make any sense

Hi, so im diamond 1 in 1vs1 on Rocket League. Now that’s 7.78% of the players.
Now all the remaining % (so ranks up) are:
4.43 + 2.32 + 1.31 + 0.64 + 0.32 + 0.18 + 0.09 + 0.04 = 9,33%. So more then the remaining 7.78%. How does this work out?