Rank	Countries/Territories	Count	Percent
1	United States	535	38.7%
2	China	452	32.7%
3	Germany	150	10.9%
4	France	42	3%
5	Japan	26	1.9%
6	Switzerland	18	1.3%
7	Singapore	17	1.2%
8	Canada	17	1.2%
9	Ukraine	14	1%
10	India	12	0.9%
11	Korea, Republic of	11	0.8%
12	Netherlands	10	0.7%
13	Russia	8	0.6%
14	Australia	8	0.6%
15	Italy	7	0.5%
16	Cyprus	5	0.4%
17	Bulgaria	4	0.3%
18	Latvia	4	0.3%
19	Indonesia	4	0.3%
20	Hong Kong	4	0.3%
21	South Africa	4	0.3%
22	Poland	3	0.2%
23	Argentina	3	0.2%
24	United Kingdom	3	0.2%
25	Ireland	2	0.1%
26	Mongolia	2	0.1%
27	Nigeria	2	0.1%
28	Norway	2	0.1%
29	Romania	2	0.1%
30	Taiwan	2	0.1%
31	Thailand	2	0.1%
32	Tunisia	1	0.1%
33	Turkey	1	0.1%
34	Pakistan	1	0.1%
35	Peru	1	0.1%
36	Portugal	1	0.1%
37	Malaysia	1	0.1%
38	Brazil	1	0.1%