Rank	Countries/Territories	Count	Percent
1	United States	661	35.7%
2	China	555	30%
3	Germany	316	17.1%
4	Japan	71	3.8%
5	Netherlands	41	2.2%
6	France	31	1.7%
7	India	28	1.5%
8	Korea, Republic of	18	1%
9	Singapore	15	0.8%
10	Sweden	13	0.7%
11	Russia	12	0.6%
12	Cyprus	11	0.6%
13	Australia	10	0.5%
14	Czech Republic	9	0.5%
15	Canada	6	0.3%
16	Argentina	5	0.3%
17	Hong Kong	5	0.3%
18	United Kingdom	5	0.3%
19	Mongolia	4	0.2%
20	Nigeria	3	0.2%
21	Mexico	3	0.2%
22	Spain	3	0.2%
23	Uzbekistan	3	0.2%
24	Ukraine	2	0.1%
25	Switzerland	2	0.1%
26	Taiwan	2	0.1%
27	Portugal	2	0.1%
28	Egypt	2	0.1%
29	Finland	2	0.1%
30	Iraq	2	0.1%
31	Ireland	2	0.1%
32	Italy	2	0.1%
33	Croatia	2	0.1%
34	Denmark	1	0.1%
35	Colombia	1	0.1%
36	Mauritius	1	0.1%
37	Thailand	1	0.1%
38	Viet Nam	1	0.1%