Molfar article:

As of 10:00, 17.10 from open sources it is known about: 161 eliminated Shahed-136, the estimated total price of which was from $3.22m to $8.05m, 1 Shahed-129 – the estimated price of which is $7.5m, and 4 Mohajer-6. The total known costs of the UAV ranged from $11.66m – $17.9m. The total known costs of the elimination of Shahed-136 by Ukraine is up to $28.14m and exceeded the costs of their launch by 97-99%, based on the price of 17 downed UAVs of $0.34-0.85m.

Since data is published only on the downed UAVs and the number of civilian objects affected, the number of launched Shahed-136s is approximate.