Rank	Countries/Territories	Count	Percent
1	United States	401	39.8%
2	China	313	31.1%
3	Germany	132	13.1%
4	Korea, Republic of	17	1.7%
5	Netherlands	15	1.5%
6	Canada	14	1.4%
7	Japan	13	1.3%
8	India	11	1.1%
9	Russia	11	1.1%
10	United Kingdom	9	0.9%
11	Colombia	9	0.9%
12	Singapore	8	0.8%
13	Taiwan	8	0.8%
14	Cyprus	5	0.5%
15	Australia	4	0.4%
16	Bangladesh	4	0.4%
17	Italy	4	0.4%
18	Indonesia	3	0.3%
19	Argentina	3	0.3%
20	Austria	3	0.3%
21	France	3	0.3%
22	Portugal	3	0.3%
23	Mongolia	2	0.2%
24	Thailand	2	0.2%
25	Ukraine	2	0.2%
26	Pakistan	2	0.2%
27	Peru	2	0.2%
28	Chile	2	0.2%
29	Iran, Islamic Republic of	1	0.1%
30	Lebanon	1	0.1%
31	Luxembourg	1	0.1%