Rank	Countries/Territories	Count	Percent
1	China	277	35.6%
2	United States	239	30.8%
3	Germany	119	15.3%
4	Czech Republic	33	4.2%
5	Netherlands	17	2.2%
6	United Kingdom	14	1.8%
7	Russia	12	1.5%
8	Australia	9	1.2%
9	India	6	0.8%
10	Indonesia	6	0.8%
11	Denmark	4	0.5%
12	Cyprus	4	0.5%
13	Malaysia	4	0.5%
14	Mauritius	4	0.5%
15	Singapore	4	0.5%
16	Iran, Islamic Republic of	3	0.4%
17	Ireland	3	0.4%
18	Japan	3	0.4%
19	Sweden	3	0.4%
20	Viet Nam	3	0.4%
21	Switzerland	2	0.3%
22	Slovakia	2	0.3%
23	South Africa	2	0.3%
24	Spain	1	0.1%
25	Saudi Arabia	1	0.1%
26	Kenya	1	0.1%
27	France	1	0.1%