Rank	Countries/Territories	Count	Percent
1	United States	319	31.8%
2	China	279	27.8%
3	Germany	116	11.6%
4	Korea, Republic of	50	5%
5	Netherlands	32	3.2%
6	France	28	2.8%
7	Japan	20	2%
8	Brazil	15	1.5%
9	Canada	12	1.2%
10	Ireland	10	1%
11	United Kingdom	10	1%
12	Taiwan	9	0.9%
13	Singapore	8	0.8%
14	India	8	0.8%
15	Spain	7	0.7%
16	Turkey	7	0.7%
17	Cyprus	6	0.6%
18	Australia	6	0.6%
19	Italy	5	0.5%
20	Switzerland	5	0.5%
21	Viet Nam	4	0.4%
22	Iran, Islamic Republic of	4	0.4%
23	Belgium	3	0.3%
24	Sweden	3	0.3%
25	Norway	3	0.3%
26	Ukraine	3	0.3%
27	Philippines	2	0.2%
28	Portugal	2	0.2%
29	Russia	2	0.2%
30	Malaysia	2	0.2%
31	Morocco	2	0.2%
32	Czech Republic	2	0.2%
33	Denmark	2	0.2%
34	Greece	2	0.2%
35	Hong Kong	2	0.2%
36	Bangladesh	2	0.2%
37	Algeria	2	0.2%
38	Chile	2	0.2%
39	Colombia	1	0.1%
40	Argentina	1	0.1%
41	New Zealand	1	0.1%
42	Mexico	1	0.1%
43	Poland	1	0.1%
44	Peru	1	0.1%