Can't remember. It's so easy to come across these days.
Let's try this one.
"The richest 10 percent of Russians own 87 percent of the country’s wealth, making it the most unequal of the world’s major economies".
https://borgenproject.org/income-inequality-in-russia/
In all due respect, you live there - not me, so if you're comfortable with the wealth distribution who am I to argue.