The following partial information is taken from the comparative balance sheet of Levi Corporation:

Shareholders equity	12/31/2024		12/31/2023
Common stock, $5 par; 26 million shares authorized; 21 million shares issued and 17 million shares outstanding at 12/31/2024; and _____________blank million shares issued and _____________blank shares outstanding at 12/31/2023.	$ 105	million	$ 85	million
Additional paid-in capital on common stock	526	million	398	million
Retained earnings	203	million	163	million
Treasury common stock, at cost, 4 million shares at 12/31/2024 and 2 million shares at 12/31/2023	(78	million)	(56	million)
Total shareholders equity	$ 756	million	$ 590	million

How many of Levi's common shares were outstanding on 12/31/2023?