Rank	Countries/Territories	Count	Percent
1	United States	502	42.3%
2	China	391	32.9%
3	Germany	109	9.2%
4	France	42	3.5%
5	Japan	19	1.6%
6	Netherlands	19	1.6%
7	Korea, Republic of	16	1.3%
8	India	12	1%
9	Canada	9	0.8%
10	Australia	8	0.7%
11	Cyprus	6	0.5%
12	United Kingdom	6	0.5%
13	Mongolia	4	0.3%
14	Singapore	4	0.3%
15	Indonesia	4	0.3%
16	Iran, Islamic Republic of	3	0.3%
17	Latvia	3	0.3%
18	Malaysia	3	0.3%
19	Argentina	3	0.3%
20	Spain	3	0.3%
21	Taiwan	3	0.3%
22	Ukraine	2	0.2%
23	Sweden	2	0.2%
24	South Africa	2	0.2%
25	Philippines	2	0.2%
26	Hong Kong	2	0.2%
27	Finland	2	0.2%
28	Ireland	2	0.2%
29	Italy	1	0.1%
30	Egypt	1	0.1%
31	Austria	1	0.1%
32	Switzerland	1	0.1%