Rank	Countries/Territories	Count	Percent
1	United States	572	35.4%
2	China	530	32.8%
3	Germany	114	7%
4	Switzerland	55	3.4%
5	Netherlands	42	2.6%
6	Japan	38	2.3%
7	Hong Kong	29	1.8%
8	Turkey	25	1.5%
9	Canada	24	1.5%
10	India	21	1.3%
11	France	21	1.3%
12	Ireland	18	1.1%
13	United Kingdom	18	1.1%
14	Australia	14	0.9%
15	Sweden	13	0.8%
16	Singapore	10	0.6%
17	Thailand	9	0.6%
18	Ukraine	8	0.5%
19	Korea, Republic of	7	0.4%
20	Italy	5	0.3%
21	Nepal	5	0.3%
22	Taiwan	5	0.3%
23	Russia	4	0.2%
24	Iran, Islamic Republic of	4	0.2%
25	Bosnia and Herzegovina	3	0.2%
26	Cyprus	3	0.2%
27	Colombia	2	0.1%
28	Malaysia	2	0.1%
29	Norway	2	0.1%
30	Syrian Arab Republic	2	0.1%
31	South Africa	1	0.1%
32	Philippines	1	0.1%
33	Mauritius	1	0.1%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%
36	Argentina	1	0.1%
37	Chile	1	0.1%
38	Brazil	1	0.1%
39	Austria	1	0.1%
40	Egypt	1	0.1%
41	Georgia	1	0.1%
42	Indonesia	1	0.1%
43	Greece	1	0.1%