Rank	Countries/Territories	Count	Percent
1	China	359	34.6%
2	United States	346	33.3%
3	Germany	141	13.6%
4	France	49	4.7%
5	Latvia	19	1.8%
6		17	1.6%
7	United Kingdom	12	1.2%
8	Switzerland	12	1.2%
9	Korea, Republic of	9	0.9%
10	Cyprus	8	0.8%
11	Netherlands	8	0.8%
12	Russia	6	0.6%
13	Singapore	6	0.6%
14	Australia	6	0.6%
15	Canada	5	0.5%
16	Hong Kong	5	0.5%
17	Japan	4	0.4%
18	Romania	4	0.4%
19	South Africa	3	0.3%
20	Sweden	3	0.3%
21	Philippines	2	0.2%
22	Thailand	2	0.2%
23	Malawi	2	0.2%
24	Malaysia	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Ecuador	2	0.2%
27	Chile	1	0.1%
28	Bulgaria	1	0.1%
29	Argentina	1	0.1%
30	Indonesia	1	0.1%