Rank	Countries/Territories	Count	Percent
1	United States	643	36.8%
2	China	615	35.2%
3	Germany	157	9%
4	Japan	55	3.1%
5	Singapore	54	3.1%
6	France	52	3%
7	Czech Republic	50	2.9%
8	Netherlands	20	1.1%
9	Canada	12	0.7%
10	India	10	0.6%
11	Iran, Islamic Republic of	9	0.5%
12	Cyprus	9	0.5%
13	Italy	8	0.5%
14	Switzerland	8	0.5%
15	Hong Kong	7	0.4%
16	Latvia	5	0.3%
17	Australia	4	0.2%
18	Bangladesh	4	0.2%
19	Finland	3	0.2%
20	United Arab Emirates	3	0.2%
21	United Kingdom	3	0.2%
22	New Zealand	2	0.1%
23	Pakistan	2	0.1%
24	Taiwan	2	0.1%
25	Thailand	2	0.1%
26	South Africa	2	0.1%
27	Argentina	2	0.1%
28	Bosnia and Herzegovina	1	0.1%
29	Indonesia	1	0.1%
30	Ireland	1	0.1%
31	Malaysia	1	0.1%