Rank	Countries/Territories	Count	Percent
1	United States	958	43.3%
2	China	524	23.7%
3	Germany	133	6%
4	Japan	110	5%
5	Switzerland	76	3.4%
6	United Kingdom	72	3.3%
7	Canada	66	3%
8	France	61	2.8%
9	Netherlands	21	0.9%
10	Latvia	19	0.9%
11	Korea, Republic of	17	0.8%
12	India	15	0.7%
13	South Africa	12	0.5%
14	Australia	10	0.5%
15	Russia	9	0.4%
16	Norway	9	0.4%
17	Taiwan	9	0.4%
18	Singapore	9	0.4%
19	Lithuania	8	0.4%
20	Mauritius	7	0.3%
21	Bangladesh	7	0.3%
22	Bulgaria	7	0.3%
23	Turkey	6	0.3%
24	Cyprus	4	0.2%
25	Hong Kong	4	0.2%
26	Poland	4	0.2%
27	Morocco	4	0.2%
28	Nigeria	3	0.1%
29	Romania	3	0.1%
30	Iraq	3	0.1%
31	Israel	2	0.1%
32	Indonesia	2	0.1%
33	Georgia	2	0.1%
34	Ethiopia	2	0.1%
35	Argentina	2	0.1%
36	Mongolia	2	0.1%
37	Viet Nam	2	0.1%
38	Thailand	1	0%
39	New Zealand	1	0%
40	Saudi Arabia	1	0%
41	Spain	1	0%
42	Brazil	1	0%
43	Chile	1	0%
44	Hungary	1	0%
45	Iran, Islamic Republic of	1	0%