Rank	Countries/Territories	Count	Percent
1	United States	600	41.6%
2	China	481	33.3%
3	Germany	98	6.8%
4	Russia	31	2.1%
5	France	26	1.8%
6	Korea, Republic of	19	1.3%
7	Canada	19	1.3%
8	Japan	17	1.2%
9	Australia	15	1%
10	Iran, Islamic Republic of	13	0.9%
11	Netherlands	13	0.9%
12	United Kingdom	13	0.9%
13	Malaysia	10	0.7%
14	Poland	9	0.6%
15	Czech Republic	9	0.6%
16	Singapore	7	0.5%
17	Hong Kong	6	0.4%
18	India	6	0.4%
19	Argentina	6	0.4%
20	Cyprus	5	0.3%
21	Indonesia	5	0.3%
22	Brazil	4	0.3%
23	South Africa	3	0.2%
24	Portugal	3	0.2%
25	Norway	3	0.2%
26	Mongolia	2	0.1%
27	Luxembourg	2	0.1%
28	Saudi Arabia	2	0.1%
29	Sweden	2	0.1%
30	Taiwan	2	0.1%
31	Ukraine	2	0.1%
32	Egypt	2	0.1%
33	Finland	2	0.1%
34	Ireland	2	0.1%
35	Bangladesh	1	0.1%
36	Croatia	1	0.1%
37	Spain	1	0.1%
38	Morocco	1	0.1%