Rank	Countries/Territories	Count	Percent
1	United States	383	32.9%
2	China	371	31.8%
3	Germany	73	6.3%
4	Japan	59	5.1%
5	France	59	5.1%
6	Latvia	47	4%
7	Canada	39	3.3%
8	India	18	1.5%
9	Thailand	15	1.3%
10	Netherlands	13	1.1%
11	Singapore	11	0.9%
12	Ireland	9	0.8%
13	United Kingdom	8	0.7%
14	Hong Kong	7	0.6%
15	Cyprus	7	0.6%
16	Iran, Islamic Republic of	6	0.5%
17	Russia	6	0.5%
18	Australia	5	0.4%
19	Korea, Republic of	4	0.3%
20	Switzerland	3	0.3%
21	Bangladesh	3	0.3%
22	Algeria	3	0.3%
23	Guatemala	3	0.3%
24	Italy	2	0.2%
25	Kenya	2	0.2%
26	Argentina	2	0.2%
27	Malaysia	2	0.2%
28	Mongolia	2	0.2%
29	South Africa	2	0.2%
30	Sweden	1	0.1%