1.
I agree with Edwardard. You seem to be misled. You say you're counting your balance, but you show the proof that the money you're counting is in others' pocket (in this case, Binance's).
That's technically not your money. That's money Binance has promised they will give back to you if you will withdraw. But you know, promises can be broken...
Most of my balance is in my own wallet. I won't lie, I have some at a centralized platform, but the amount is much smaller than yours.
2.
The chart means almost nothing in the context you've written, since a wallet can have more addresses and your chart is about addresses and not wallets.
3.
You should learn that it can be dangerous to tell publicly how much bitcoins you own. Internet is not forgetting and if bitcoin price jumps to $1M soon enough you may end up with bad people looking for you to get your coins that would then worth already $100k...