Its 42% stronger against the South African Rand for example
ZAR is not a good barometer, this is not due to stong $ but declining ZAR against every other currency, only one flight a day to R.S.A. is not a big impact on a fuel bill as big as CX's. Tickets out of R.S.A are paid in Z.A.R.
In general, yes, fuel cost help more then any management ( including SQ ) would admit.