Rank	Countries/Territories	Count	Percent
1	United States	569	37.8%
2	China	321	21.3%
3	Germany	231	15.3%
4	Japan	135	9%
5	Singapore	38	2.5%
6	Netherlands	21	1.4%
7	Turkey	21	1.4%
8	Indonesia	18	1.2%
9	France	16	1.1%
10	Australia	12	0.8%
11	Cyprus	9	0.6%
12	Iran, Islamic Republic of	9	0.6%
13	Pakistan	8	0.5%
14	Taiwan	8	0.5%
15	United Kingdom	7	0.5%
16	Argentina	7	0.5%
17	Brazil	7	0.5%
18	Canada	6	0.4%
19	Denmark	5	0.3%
20	Italy	5	0.3%
21	Hong Kong	5	0.3%
22	India	5	0.3%
23	Thailand	5	0.3%
24	Nepal	4	0.3%
25	Romania	3	0.2%
26	Ireland	3	0.2%
27	Ukraine	3	0.2%
28	Yemen	2	0.1%
29	Greece	2	0.1%
30	Russia	2	0.1%
31	Saudi Arabia	2	0.1%
32	Serbia	2	0.1%
33	Portugal	2	0.1%
34	Spain	2	0.1%
35	Switzerland	2	0.1%
36	Mauritius	2	0.1%
37	Mongolia	1	0.1%
38	Philippines	1	0.1%
39	Kenya	1	0.1%
40	Korea, Republic of	1	0.1%
41	Malaysia	1	0.1%
42	Iraq	1	0.1%
43	Belgium	1	0.1%