Rank	Countries/Territories	Count	Percent
1	United States	681	38.5%
2	China	407	23%
3	Germany	145	8.2%
4	Switzerland	93	5.3%
5	Japan	62	3.5%
6	India	56	3.2%
7	Taiwan	49	2.8%
8	Netherlands	40	2.3%
9	United Kingdom	28	1.6%
10	Australia	21	1.2%
11	Russia	17	1%
12	Canada	16	0.9%
13	Cyprus	14	0.8%
14	Iran, Islamic Republic of	11	0.6%
15	Italy	9	0.5%
16	Mexico	8	0.5%
17	Ireland	7	0.4%
18	Israel	7	0.4%
19	Korea, Republic of	7	0.4%
20	Indonesia	7	0.4%
21	Colombia	7	0.4%
22	Brazil	7	0.4%
23	Hong Kong	6	0.3%
24	Latvia	6	0.3%
25	Singapore	6	0.3%
26	New Zealand	6	0.3%
27	Thailand	6	0.3%
28	Spain	5	0.3%
29	France	5	0.3%
30	Bulgaria	4	0.2%
31	Yemen	4	0.2%
32	Turkey	3	0.2%
33	Bangladesh	3	0.2%
34	South Africa	3	0.2%
35	Serbia	3	0.2%
36	Saudi Arabia	2	0.1%
37	Argentina	2	0.1%
38	Sweden	2	0.1%
39	Viet Nam	1	0.1%
40	United Arab Emirates	1	0.1%
41	Hungary	1	0.1%
42	Denmark	1	0.1%
43	Guatemala	1	0.1%
44	Malta	1	0.1%