Rank	Countries/Territories	Count	Percent
1	China	328	33%
2	United States	297	29.9%
3	Germany	85	8.6%
4	Japan	52	5.2%
5	India	17	1.7%
6	Iran, Islamic Republic of	17	1.7%
7	Belgium	15	1.5%
8	Singapore	14	1.4%
9	Netherlands	13	1.3%
10	Hong Kong	12	1.2%
11	United Kingdom	12	1.2%
12	France	11	1.1%
13	Spain	10	1%
14	Korea, Republic of	9	0.9%
15	Brazil	9	0.9%
16	Switzerland	9	0.9%
17	Canada	6	0.6%
18	Greece	6	0.6%
19	Austria	6	0.6%
20	Kenya	6	0.6%
21	Lithuania	5	0.5%
22	Russia	5	0.5%
23	Australia	5	0.5%
24	Turkey	5	0.5%
25	Israel	4	0.4%
26	Italy	4	0.4%
27	Philippines	3	0.3%
28	Hungary	3	0.3%
29	Ireland	3	0.3%
30	Thailand	3	0.3%
31	Taiwan	2	0.2%
32	Chile	2	0.2%
33	Cyprus	2	0.2%
34	Poland	2	0.2%
35	Romania	2	0.2%
36	Pakistan	2	0.2%
37	Saudi Arabia	2	0.2%
38	Sweden	1	0.1%
39	Malaysia	1	0.1%
40	Norway	1	0.1%
41	Denmark	1	0.1%
42	Egypt	1	0.1%