Rank	Countries/Territories	Count	Percent
1	United States	806	43.3%
2	China	677	36.3%
3	Germany	150	8.1%
4	Japan	37	2%
5	France	32	1.7%
6	United Kingdom	30	1.6%
7	Netherlands	17	0.9%
8	Canada	15	0.8%
9	Norway	13	0.7%
10	Singapore	13	0.7%
11	Iran, Islamic Republic of	11	0.6%
12	Australia	9	0.5%
13	Argentina	7	0.4%
14	Sweden	6	0.3%
15	Cyprus	5	0.3%
16	Ireland	4	0.2%
17	Taiwan	4	0.2%
18	Myanmar	3	0.2%
19	Viet Nam	2	0.1%
20	Philippines	2	0.1%
21	Portugal	2	0.1%
22	Latvia	2	0.1%
23	Hong Kong	2	0.1%
24	Czech Republic	2	0.1%
25	Georgia	2	0.1%
26	Bulgaria	2	0.1%
27	India	1	0.1%
28	Indonesia	1	0.1%
29	Malaysia	1	0.1%
30	Saudi Arabia	1	0.1%
31	Thailand	1	0.1%
32	Turkey	1	0.1%
33	United Arab Emirates	1	0.1%
34	South Africa	1	0.1%