Rank	Countries/Territories	Count	Percent
1	China	427	33%
2	United States	405	31.3%
3	Germany	151	11.7%
4	Japan	111	8.6%
5	Canada	35	2.7%
6	France	15	1.2%
7	Taiwan	15	1.2%
8	Netherlands	14	1.1%
9	United Kingdom	13	1%
10	Australia	12	0.9%
11	Denmark	10	0.8%
12	Norway	8	0.6%
13	Spain	7	0.5%
14	Serbia	7	0.5%
15	Ireland	7	0.5%
16	Czech Republic	5	0.4%
17	Singapore	5	0.4%
18	Russia	4	0.3%
19	Latvia	4	0.3%
20	Argentina	4	0.3%
21	India	4	0.3%
22	Cyprus	3	0.2%
23	Mexico	3	0.2%
24	South Africa	3	0.2%
25	Turkey	2	0.2%
26	Bangladesh	2	0.2%
27	Chile	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Iraq	2	0.2%
30	Egypt	2	0.2%
31	Hong Kong	2	0.2%
32	Italy	1	0.1%
33	Bulgaria	1	0.1%
34	Sweden	1	0.1%
35	Mongolia	1	0.1%
36	Poland	1	0.1%
37	Romania	1	0.1%
38	Viet Nam	1	0.1%