Rank	Countries/Territories	Count	Percent
1	United States	399	36.4%
2	China	385	35.1%
3	Germany	95	8.7%
4	France	47	4.3%
5	Japan	19	1.7%
6	Turkey	16	1.5%
7	Netherlands	16	1.5%
8	Australia	12	1.1%
9	United Kingdom	10	0.9%
10	Sweden	9	0.8%
11	Taiwan	8	0.7%
12	Italy	7	0.6%
13	Russia	7	0.6%
14	Ireland	6	0.5%
15	Canada	6	0.5%
16	Cyprus	6	0.5%
17	Korea, Republic of	5	0.5%
18	Iran, Islamic Republic of	5	0.5%
19	Singapore	5	0.5%
20	South Africa	4	0.4%
21	India	4	0.4%
22	Denmark	4	0.4%
23	Chile	4	0.4%
24	Austria	3	0.3%
25	Belgium	3	0.3%
26	Czech Republic	2	0.2%
27	Bangladesh	2	0.2%
28	Hong Kong	1	0.1%
29	Latvia	1	0.1%
30	Mongolia	1	0.1%
31	Senegal	1	0.1%
32	Norway	1	0.1%
33	Philippines	1	0.1%
34	Portugal	1	0.1%
35	Romania	1	0.1%