Rank	Countries/Territories	Count	Percent
1	United States	502	42.8%
2	China	368	31.4%
3	Germany	73	6.2%
4	Singapore	60	5.1%
5	Japan	22	1.9%
6	France	15	1.3%
7	Canada	14	1.2%
8	Australia	13	1.1%
9	Hong Kong	9	0.8%
10	Netherlands	9	0.8%
11	Sweden	9	0.8%
12	Nepal	8	0.7%
13	Cyprus	8	0.7%
14	United Kingdom	7	0.6%
15	Norway	6	0.5%
16	Russia	5	0.4%
17	Latvia	4	0.3%
18	Colombia	4	0.3%
19		3	0.3%
20	Mexico	3	0.3%
21	Taiwan	3	0.3%
22	Spain	3	0.3%
23	Turkey	3	0.3%
24	Viet Nam	2	0.2%
25	Philippines	2	0.2%
26	Argentina	2	0.2%
27	India	2	0.2%
28	Korea, Republic of	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Ireland	2	0.2%
31	Indonesia	1	0.1%
32	Czech Republic	1	0.1%
33	Thailand	1	0.1%
34	Nigeria	1	0.1%
35	Lebanon	1	0.1%
36	Malaysia	1	0.1%
37	Mauritius	1	0.1%