Rank	Countries/Territories	Count	Percent
1	United States	289	33.5%
2	China	278	32.3%
3	Germany	53	6.1%
4	United Kingdom	30	3.5%
5	Netherlands	26	3%
6	Japan	24	2.8%
7	Canada	22	2.6%
8	Australia	16	1.9%
9	Indonesia	8	0.9%
10	Italy	8	0.9%
11	Lao People's Democratic Republic	6	0.7%
12	Portugal	6	0.7%
13	Russia	6	0.7%
14	Hong Kong	6	0.7%
15	France	6	0.7%
16	Viet Nam	6	0.7%
17	Ukraine	5	0.6%
18	India	5	0.6%
19	Spain	5	0.6%
20	Malaysia	5	0.6%
21	Lebanon	4	0.5%
22	Philippines	4	0.5%
23	Singapore	4	0.5%
24	Korea, Republic of	4	0.5%
25	Cyprus	4	0.5%
26	Turkey	4	0.5%
27	Pakistan	3	0.3%
28	Romania	2	0.2%
29	Switzerland	2	0.2%
30	Taiwan	2	0.2%
31	Thailand	2	0.2%
32	Ethiopia	2	0.2%
33	Bangladesh	2	0.2%
34	Belgium	2	0.2%
35	Iran, Islamic Republic of	2	0.2%
36	Ireland	2	0.2%
37	Israel	2	0.2%
38	Uganda	2	0.2%
39	Argentina	1	0.1%
40	Georgia	1	0.1%
41	Mongolia	1	0.1%