We don't know anything about that, except that for some years it's a net expenditure, while in other years it's a reduction in expenditures. It's $12 billion in absolute value, but on a net basis, it's closer to $800 million, consisting of subtractions and additions. Beyond the mathematical sum of these amounts, we know nothing about what's behind these numbers.
On May 8th, 2023. See this statement in context.