Rank	Countries/Territories	Count	Percent
1	United States	234	37.4%
2	China	171	27.4%
3	Germany	122	19.5%
4	Singapore	9	1.4%
5	Japan	8	1.3%
6	Italy	6	1%
7	Cyprus	6	1%
8	South Africa	6	1%
9	Turkey	5	0.8%
10	United Kingdom	5	0.8%
11	Morocco	4	0.6%
12	Netherlands	4	0.6%
13	Russia	4	0.6%
14	Canada	4	0.6%
15	Australia	4	0.6%
16	Iran, Islamic Republic of	4	0.6%
17	Hong Kong	3	0.5%
18	Spain	3	0.5%
19	Philippines	2	0.3%
20	Thailand	2	0.3%
21	Ukraine	2	0.3%
22	Korea, Republic of	2	0.3%
23	Mauritius	2	0.3%
24	Brazil	2	0.3%
25	Bulgaria	2	0.3%
26	Argentina	2	0.3%
27	France	1	0.2%
28	Austria	1	0.2%
29	Belgium	1	0.2%
30	Mongolia	1	0.2%
31	Nigeria	1	0.2%
32	Switzerland	1	0.2%
33	Taiwan	1	0.2%