How does MTR work in detail? Shouldn't packet loss be observed to increase linearly?

If so, how come do we see packet loss be distributed unevenly among hops? That is, if there is 5 percent loss in the first hop, the following hops, should start out with 95 percent of the packets remaining. And if there are further packet loss in the subsequent hops, shouldn't the graph of the overall MTR look linear in its totality, as each subsequent hop would start out with fewer and fewer packets while packets traverse across these gateway routers?