fluctuate

It relies on fluctuating annual counts of the homeless population that have built-in error and on imperfect means of identifying deaths of homeless people.

Later the space rock fluctuated again, this time to a figuratively and literally astronomical 1 in 59,000 chance for impact.

That date has fluctuated but is now set to 31 March for those without valid visas, and 30 June for those with resettlement letters.

But form is likely to fluctuate race to race.

This has been worth somewhere between $1,700 and $2,700 over the past couple of years - the unofficial exchange rate has fluctuated since the coup.