Every.

Exodus 13:2, 12-15
"Consecrate to Me every firstborn male. The firstborn from every womb among the Israelites belongs to Me, both of man and beast." . . .

Exodus 22:29
You must not hold back offerings from your granaries or vats. You are to give Me the firstborn of your sons.

Exodus 34:19
The first offspring of every womb belongs to Me, including all the firstborn males among your livestock, whether cattle or sheep.

Numbers 3:13
because all the firstborn are Mine. On the day I struck down every firstborn in the land of Egypt, I consecrated to Myself all the firstborn in Israel, both man and beast. They are Mine; I am the LORD."

Numbers 8:16, 17
For the Levites have been wholly given to Me from among the sons of Israel. I have taken them for Myself in place of all who come first from the womb, the firstborn of all the sons of Israel. . . .

Numbers 18:15
The firstborn of every womb, whether man or beast, that is offered to the LORD belongs to you. But you must surely redeem every firstborn son and every firstborn male of unclean animals.