one third vs one-third

Some examples from the web:

• Wait, that means three parts one third antifreeze.
• Approximately one third were declared inadmissible.
• I figure it is somewhere around one third.
• You're talking about one third of your inheritance.
• All ahead one third, sir.
• Mother is entitled to one third of the property.
• We just fired one third of their workforce.
• Humans used one third of all dry land for farms and pastures.
• I believe, sire, one third of a Triskellion.
• Mother gets one third and we divide the rest.
• They're excluded from one third of British state-funded primary schools.
• Relax, my guy does everything for one third the cost.
• It seems that one third went to the company.
• These are the conditions in one third of the lands of our planet.
• A man dies when one third of his blood is lost.
• When I'll require one third of the awarded amount.
• Helm, on my command, reduce impulse power to one third.
• I may be a drunk, but I owe one third of that ranch...
• You are one third as productive in open-plan offices as in quiet rooms.
• About one third of the entire world's population lived under that meta-narrative.

Some examples from the web:

• Members shall pay one-third of the resulting insurance premiums.
• And one-third is across this switch here.
• History tells me that one-third of you will fail.
• Initializing their reactor will deplete our reserves by one-third.
• He was threatening to execute one-third of the prison population.
• EMERSON: Reduce sublight engines to one-third.
• Thirteen hours is the criterion of one-third of full-time working.
• Competition for funding was tough: less than one-third of proposals were approved.
• In my city, one-third of the population is from ethnic minorities.
• Liberals and Democrats in this House want a Commission that is at least one-third women.
• However, sales volumes dropped significantly between 2008 and the RIP (by almost one-third).
• Just under one-third of the Charter contains the same guarantees as the Convention on Human Rights.
• After oral administration, two-thirds of the dose is eliminated as metabolites and one-third unchanged.
• Community production represents only about one-third of Community consumption and could easily be replaced by imports.
• Engineer, secure diesels, ahead one-third
• All ahead one-third, left full rudder, emergency deep.
• And one-third will be focused on physical training.
• Okay, one-third of theistance From the anterior superior iliac spine To the umbilicus.
• Now I own one-third of the Portland trail blazers.
• Working conditions are especially important for health, given that adults spend one-third of their lives at the workplace.