Perfect Kda x3 games in a row how many people have seen more perfect games in a row

i have always loved swain many PKDA games never got one back to back until about 8 months ago i won 2 games back to back no deaths PKDA,, was proud but 3........... i never thought in ranked.... i tried to find some online i didn't find any.. or so how rare is this? when im a noob and barely a silver.. i have perfect games with many other champs kand many 1 death games with 15+ deaths