Using the information below, what was the standard deviation of a portfolio that was equal-weighted (1/3 in each) in the three stocks?

Year	LAX return	UWL return	WIS return
2016	3%	-4%	4%
2017	2%	7%	8%
2018	13%	17%	0%
2019	9%	-2%	11%
2020	13%	10%	11%

Enter your answer in percent form without the percent sign (e.g., for 20% enter 20 not 0.2), and round to the nearest two decimal places.