Rank	Countries/Territories	Count	Percent
1	China	294	37.3%
2	United States	293	37.2%
3	Germany	35	4.4%
4	France	18	2.3%
5	Taiwan	18	2.3%
6	Japan	16	2%
7	Canada	16	2%
8	Indonesia	15	1.9%
9	Iran, Islamic Republic of	13	1.6%
10	Australia	10	1.3%
11	Netherlands	9	1.1%
12	Turkey	6	0.8%
13	Switzerland	4	0.5%
14	Brazil	4	0.5%
15	Hong Kong	4	0.5%
16	India	4	0.5%
17	Singapore	3	0.4%
18	Pakistan	3	0.4%
19	Saudi Arabia	2	0.3%
20	Serbia	2	0.3%
21	Oman	2	0.3%
22	Malaysia	2	0.3%
23	Spain	2	0.3%
24	Egypt	2	0.3%
25	Austria	2	0.3%
26	Cyprus	2	0.3%
27	Czech Republic	1	0.1%
28	Ecuador	1	0.1%
29	Argentina	1	0.1%
30	Chile	1	0.1%
31	United Kingdom	1	0.1%
32	Moldova, Republic of	1	0.1%
33	Poland	1	0.1%