Rank	Countries/Territories	Count	Percent
1	China	298	36.9%
2	United States	213	26.4%
3	Germany	37	4.6%
4	United Kingdom	28	3.5%
5		24	3%
6	Iran, Islamic Republic of	20	2.5%
7	Singapore	18	2.2%
8	Czech Republic	17	2.1%
9	India	15	1.9%
10	Japan	14	1.7%
11	Ireland	12	1.5%
12	Netherlands	11	1.4%
13	Canada	10	1.2%
14	Spain	9	1.1%
15	Russia	7	0.9%
16	Malaysia	7	0.9%
17	Taiwan	7	0.9%
18	Hong Kong	6	0.7%
19	France	6	0.7%
20	Australia	6	0.7%
21	Hungary	5	0.6%
22	Greece	4	0.5%
23	Ukraine	4	0.5%
24	Syrian Arab Republic	3	0.4%
25	Korea, Republic of	3	0.4%
26	Iraq	3	0.4%
27	Lithuania	2	0.2%
28	Saudi Arabia	2	0.2%
29	Sri Lanka	2	0.2%
30	Sweden	2	0.2%
31	Austria	2	0.2%
32	Belgium	2	0.2%
33	Argentina	2	0.2%
34	Cyprus	2	0.2%
35	Brazil	1	0.1%
36	Romania	1	0.1%
37	Mexico	1	0.1%
38	Lao People's Democratic Republic	1	0.1%
39	Turkey	1	0.1%