Rank	Countries/Territories	Count	Percent
1	United States	414	36.3%
2	China	317	27.8%
3	Germany	117	10.3%
4	France	30	2.6%
5	Netherlands	28	2.5%
6	Australia	24	2.1%
7	Canada	22	1.9%
8	Israel	20	1.8%
9	United Kingdom	18	1.6%
10	Japan	17	1.5%
11	Portugal	16	1.4%
12	Singapore	14	1.2%
13	Iran, Islamic Republic of	12	1.1%
14	Ukraine	10	0.9%
15	Egypt	9	0.8%
16	Cyprus	7	0.6%
17	Denmark	7	0.6%
18	Taiwan	6	0.5%
19	Mexico	6	0.5%
20	India	5	0.4%
21	Spain	4	0.4%
22	Turkey	3	0.3%
23	Russia	3	0.3%
24	Mongolia	3	0.3%
25	Indonesia	3	0.3%
26	Brazil	3	0.3%
27	United Arab Emirates	3	0.3%
28	Hungary	3	0.3%
29	Argentina	2	0.2%
30	Finland	2	0.2%
31	Romania	2	0.2%
32	Peru	2	0.2%
33	Saudi Arabia	2	0.2%
34	South Africa	1	0.1%
35	Sweden	1	0.1%
36	Lithuania	1	0.1%
37	Czech Republic	1	0.1%
38	Ireland	1	0.1%
39	Greece	1	0.1%