Rank	Countries/Territories	Count	Percent
1	China	486	43.5%
2	United States	316	28.3%
3	Germany	103	9.2%
4	Japan	35	3.1%
5	South Africa	25	2.2%
6	Canada	24	2.1%
7	Ukraine	16	1.4%
8	France	13	1.2%
9	United Kingdom	11	1%
10	Netherlands	8	0.7%
11	Ireland	8	0.7%
12	Korea, Republic of	8	0.7%
13	Argentina	7	0.6%
14	Australia	6	0.5%
15	Hong Kong	6	0.5%
16	Bangladesh	5	0.4%
17	Singapore	5	0.4%
18	Switzerland	4	0.4%
19	India	4	0.4%
20	Cyprus	3	0.3%
21	Taiwan	3	0.3%
22	Thailand	3	0.3%
23	Viet Nam	3	0.3%
24	Russia	3	0.3%
25	Saudi Arabia	2	0.2%
26	Israel	2	0.2%
27	Italy	2	0.2%
28	Malaysia	1	0.1%
29	Mongolia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Norway	1	0.1%
32	Palestine, State of	1	0.1%
33	Romania	1	0.1%