I think you're citing the wrong part of that site. If you scroll down, you'll see the total number of homicides:
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You can see the sustained increases around Jane Creba year and after 2016. Toronto's never had 15 murders a year in recent history.
The head of the Toronto Police Homicide Squad says the clearance rates for homicides in 2022 is the highest the City has seen in the last twenty years.globalnews.ca
"Toronto recorded 80 homicides in 2021 compared with 69 in 2020 and 70 in 2019."
"Inspector Hank Idsinga told Global News in a year end interview explaining that out of the 67 murders investigated this year" (reported in December 2022)
I have been respectful. Please understand, I clarified in my response exactly what I was quoting, I am exactly right, and you are not taking the time to read what I wrote, the mistake is entirely yours.