Rank	Countries/Territories	Count	Percent
1	United States	593	38.1%
2	China	287	18.5%
3	Germany	156	10%
4	Japan	65	4.2%
5	Switzerland	48	3.1%
6	France	44	2.8%
7	Canada	36	2.3%
8	India	33	2.1%
9	Korea, Republic of	23	1.5%
10	Russia	23	1.5%
11	Australia	22	1.4%
12	United Kingdom	18	1.2%
13	Netherlands	17	1.1%
14	Singapore	16	1%
15	Ukraine	13	0.8%
16	Italy	11	0.7%
17	Mexico	10	0.6%
18	Cyprus	10	0.6%
19	Denmark	10	0.6%
20	Taiwan	9	0.6%
21	Sweden	9	0.6%
22	Thailand	8	0.5%
23	Cote D'ivoire	7	0.5%
24	Israel	6	0.4%
25	Greece	6	0.4%
26	Austria	5	0.3%
27	Argentina	5	0.3%
28	Turkey	5	0.3%
29	Spain	5	0.3%
30	Poland	4	0.3%
31	Belgium	4	0.3%
32	Iran, Islamic Republic of	4	0.3%
33	Brazil	3	0.2%
34	New Zealand	3	0.2%
35	Uzbekistan	3	0.2%
36	Viet Nam	2	0.1%
37	Romania	2	0.1%
38	United Arab Emirates	2	0.1%
39	Algeria	2	0.1%
40	Bangladesh	2	0.1%
41	Croatia	2	0.1%
42	Indonesia	2	0.1%
43	Hong Kong	2	0.1%
44	Hungary	2	0.1%
45	Morocco	2	0.1%
46	Lithuania	2	0.1%
47	Malaysia	1	0.1%
48	Malta	1	0.1%
49	Ghana	1	0.1%
50	Iraq	1	0.1%
51	Ireland	1	0.1%
52	Egypt	1	0.1%
53	Finland	1	0.1%
54	Colombia	1	0.1%
55	Syrian Arab Republic	1	0.1%
56	Slovakia	1	0.1%
57	Norway	1	0.1%
58	Pakistan	1	0.1%