Rank	Countries/Territories	Count	Percent
1	China	270	34%
2	United States	260	32.7%
3	Japan	49	6.2%
4	Germany	39	4.9%
5	Netherlands	22	2.8%
6	Bulgaria	16	2%
7	Switzerland	13	1.6%
8	Singapore	11	1.4%
9	France	11	1.4%
10	Russia	10	1.3%
11	Korea, Republic of	8	1%
12	Greece	8	1%
13	Ireland	8	1%
14	Australia	8	1%
15	Norway	7	0.9%
16	Philippines	6	0.8%
17	Canada	6	0.8%
18	Thailand	4	0.5%
19	Viet Nam	4	0.5%
20	United Kingdom	3	0.4%
21	Slovakia	3	0.4%
22	Cyprus	3	0.4%
23	Egypt	2	0.3%
24	Belgium	2	0.3%
25	Brazil	2	0.3%
26	Italy	2	0.3%
27	India	2	0.3%
28	Argentina	2	0.3%
29	Sweden	2	0.3%
30	Malaysia	2	0.3%
31	Mexico	1	0.1%
32	Morocco	1	0.1%
33	Portugal	1	0.1%
34	Spain	1	0.1%
35	Taiwan	1	0.1%
36	Jordan	1	0.1%
37	El Salvador	1	0.1%
38	Colombia	1	0.1%
39	Venezuela, Bolivarian Republic of	1	0.1%