Please always post your sources.
57 dog attack deaths & 645 disfigurements in 2017, led by pit bulls
January 8, 2018 by Merritt Clifton
Setters, Newfies, Dalmatians & greyhounds continue 35-year record as the safest big dogs
Preliminary “final” 2017 dog attack data from the U.S. and Canada suggests some good news, in that “only” 989 dogs participated in killing or disfiguring humans, down from the 2016 record 1,075.
But the bad news is that those 989 dogs killed 57 people, 11 more than the previous record of 46 who were killed in 2015.
Pit bulls killed 40 people in 2017, 39 in the U.S. and one in Canada, a total of 12 more people than were killed by pit bulls in 2016 and five more than the previous record of 34 killed in 2015.
Pit bulls accounted for “only” 88% of disfigurements
The 989 dogs who killed or disfigured people in 2017 accounted for 645 total disfigurements, 14 more than the previous record of 631 who were disfigured in 2016.
Of the disfigurements, 570––four fewer than in 2016––were disfigured by pit bulls, meaning that pit bulls accounted for “only” 88% of the dog attack disfigurements reported in 2017, down from 91% in 2016. But the 2017 disfigurement toll may well rise in the coming weeks.
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The above article is excerpted, and a list of bites, maulings, and fatalities has been supplied at the link, organized by breed.
Those are medium dogs really... not big dogs.
The reason for that is that there are a lot of Pit Bulls in America, and fewer Dobermans—but Doberman Pinschers as a breed are more dangerous. You're citing raw numbers for a breed (Pit Bulls) that is far more common than Doberman Pinschers. The research I cited was regarding the rate of fatal attacks (per 100,000 dogs) of various breeds.
Therefore, to reiterate: if you (or, say, your child) are in the presence of a Doberman Pinscher, that dog is more likely to kill you (or, say, your child) than if you're in the presence of a Pit Bull.
Of course, you're probably more likely to be killed by a Pit Bull—but that's because there are a lot more Pit Bulls around. It's not because individual Pit Bulls are more dangerous than individual Dobermans.
I repeat: Doberman Pinscher's (for example)—as individual animals—are a more dangerous breed than Pit Bulls with respect to fatal attacks on humans. This means that if Doberman Pinschers were as numerous as Pit Bulls, they would cause even more fatalities than Pits!
Got it?