Rank	Countries/Territories	Count	Percent
1	United States	316	39.9%
2	China	209	26.4%
3	Germany	52	6.6%
4	Japan	51	6.4%
5	Korea, Republic of	18	2.3%
6	France	16	2%
7	Singapore	13	1.6%
8	Netherlands	12	1.5%
9	India	11	1.4%
10	Bangladesh	10	1.3%
11	South Africa	10	1.3%
12	Taiwan	7	0.9%
13	Iran, Islamic Republic of	7	0.9%
14	Australia	6	0.8%
15	Spain	6	0.8%
16	Russia	5	0.6%
17	Austria	5	0.6%
18	Guatemala	4	0.5%
19	Cyprus	4	0.5%
20	Hong Kong	3	0.4%
21	Canada	3	0.4%
22	Ireland	3	0.4%
23	Indonesia	3	0.4%
24	Sweden	3	0.4%
25	Peru	3	0.4%
26	New Zealand	2	0.3%
27	Turkey	2	0.3%
28	United Kingdom	2	0.3%
29	Italy	2	0.3%
30	Malaysia	1	0.1%
31	Mexico	1	0.1%
32	Kazakhstan	1	0.1%
33	Thailand	1	0.1%