Rank	Countries/Territories	Count	Percent
1	United States	547	41.4%
2	China	474	35.9%
3	Germany	63	4.8%
4	France	49	3.7%
5	Japan	30	2.3%
6	Netherlands	15	1.1%
7	Singapore	12	0.9%
8	Canada	11	0.8%
9	Argentina	10	0.8%
10	Australia	10	0.8%
11	Korea, Republic of	9	0.7%
12	Hong Kong	8	0.6%
13	India	8	0.6%
14	United Kingdom	8	0.6%
15	Austria	6	0.5%
16	Finland	5	0.4%
17	Denmark	4	0.3%
18	Iran, Islamic Republic of	4	0.3%
19	Belgium	4	0.3%
20	Mexico	4	0.3%
21	Italy	4	0.3%
22	Philippines	3	0.2%
23	Sweden	3	0.2%
24	Thailand	3	0.2%
25	Ukraine	3	0.2%
26	Saudi Arabia	2	0.2%
27	Turkey	2	0.2%
28	Switzerland	2	0.2%
29	Russia	2	0.2%
30	Peru	2	0.2%
31	Mongolia	2	0.2%
32	Latvia	2	0.2%
33	Kenya	2	0.2%
34	Cyprus	2	0.2%
35	Ireland	2	0.2%
36	Egypt	1	0.1%
37	Colombia	1	0.1%
38	Norway	1	0.1%
39	Samoa	1	0.1%