account for vs amount to

[Raf]

Hi,
as far as I understand both of these phrasal verbs are similar in the meaning of "constitute" But are they synonymous, e.g. are all of the following correct?

The state-funded health care accounts for 9% of public spending.
The state-funded health care amounts to 9% of public spending.

The money he saved amounts to a small fortune.
The money he saved accounts for a small fortune.

Thanks in advance!

[Mister Micawber]

'Accounts for' doesn't work in your second instance. 'Account for' is used to suggest that source is being considered, while 'amount to' is concerned only with quantity.
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Native English teacher at Mister Micawber's