Rank	Countries/Territories	Count	Percent
1	United States	250	37.5%
2	China	249	37.3%
3	Germany	50	7.5%
4	Japan	22	3.3%
5	Netherlands	15	2.2%
6	Canada	11	1.6%
7	Thailand	8	1.2%
8	Singapore	7	1%
9	France	7	1%
10	India	7	1%
11	Ireland	6	0.9%
12	Iran, Islamic Republic of	4	0.6%
13	Turkey	3	0.4%
14	Russia	3	0.4%
15	Bosnia and Herzegovina	3	0.4%
16	Colombia	2	0.3%
17	Hong Kong	2	0.3%
18	Nepal	2	0.3%
19	Malaysia	2	0.3%
20	Mauritius	1	0.1%
21	Mongolia	1	0.1%
22	South Africa	1	0.1%
23	Sweden	1	0.1%
24	Switzerland	1	0.1%
25	Philippines	1	0.1%
26	Ukraine	1	0.1%
27	United Kingdom	1	0.1%
28	Indonesia	1	0.1%
29	Italy	1	0.1%
30	Korea, Republic of	1	0.1%
31	Georgia	1	0.1%
32	Australia	1	0.1%
33	Austria	1	0.1%