You have the following portfolio of stocks with the weights listed in the first row. What is the portfolio standard deviation?

Answer should be formatted as a percent with two decimal places (e.g. 99.99).

Weight	11.54%	7.69%	25.00%	11.54%	21.15%	23.08%
Stock	A	B	C	D	E	F
1	-1.88%	-10.13%	-1.03%	0.46%	4.54%	-0.09%
2	-2.71%	-7.11%	3.32%	0.88%	3.51%	-2.24%
3	1.28%	6.74%	1.78%	1.05%	-0.01%	0.87%
4	3.38%	2.84%	0.20%	0.54%	9.83%	4.97%
5	1.83%	3.15%	1.83%	0.48%	13.00%	2.99%
6	-3.87%	-9.47%	5.29%	1.78%	-8.52%	-2.94%
7	-1.64%	-6.94%	-0.98%	0.00%	-2.77%	-2.53%
8	-5.54%	0.85%	2.91%	2.34%	-7.30%	-7.12%
9	-2.58%	-3.18%	-0.80%	0.76%	2.87%	-2.08%
10	-1.38%	5.67%	2.11%	0.32%	-3.67%	0.69%
11	5.28%	7.19%	-2.53%	-0.85%	8.43%	5.22%
12	1.51%	-0.21%	-2.62%	-0.33%	1.78%	-0.65%
13	-8.81%	-11.79%	2.65%	0.17%	-9.80%	-9.51%
14	-0.40%	4.49%	-0.36%	0.43%	-4.72%	0.87%
15	1.54%	2.37%	2.73%	0.40%	-7.91%	-1.51%
16	-9.93%	-1.41%	1.47%	0.81%	-15.58%	-7.83%
17	-16.03%	-30.83%	-1.80%	1.05%	-27.26%	-15.24%
18	-6.96%	-22.71%	14.23%	1.05%	-8.64%	-6.98%