Rank	Countries/Territories	Count	Percent
1	United States	653	33.6%
2	China	611	31.5%
3	Japan	171	8.8%
4	Germany	136	7%
5	Netherlands	50	2.6%
6	Portugal	43	2.2%
7	Korea, Republic of	37	1.9%
8	India	28	1.4%
9	Canada	27	1.4%
10	France	22	1.1%
11	Taiwan	16	0.8%
12	Italy	13	0.7%
13	Hong Kong	12	0.6%
14	Australia	12	0.6%
15	Cyprus	11	0.6%
16	Singapore	11	0.6%
17	United Kingdom	9	0.5%
18	Czech Republic	8	0.4%
19	Sweden	7	0.4%
20	Ireland	6	0.3%
21	Turkey	6	0.3%
22	Viet Nam	5	0.3%
23	Slovakia	5	0.3%
24	Russia	5	0.3%
25	Switzerland	4	0.2%
26	Egypt	4	0.2%
27	Belgium	4	0.2%
28	Spain	4	0.2%
29	Thailand	3	0.2%
30	South Africa	3	0.2%
31	Lithuania	3	0.2%
32	Brazil	2	0.1%
33	Israel	2	0.1%
34	Iran, Islamic Republic of	2	0.1%
35	Algeria	1	0.1%
36	Austria	1	0.1%
37	Ethiopia	1	0.1%
38	Mexico	1	0.1%
39	Mongolia	1	0.1%
40	Poland	1	0.1%