Ah…
Here tis.
Official Regime estimate:

‘ Dec 1 (Reuters) - Ukraine's armed forces have lost somewhere between 10,000 and 13,000 soldiers so far in the war against Russia, presidential adviser Mykhailo Podolyak told a Ukrainian television network on Thursday.’

Ukraine has lost between 10,000 and 13,000 soldiers in war - official

What on earth is Milley going on about Jeff? This is OFFICIAL! And it’s Reuters. Reuters is not gunna knowingly pass on disinformation, right? Hey, this is the corporate owned media we’re talking about.