Rank	Countries/Territories	Count	Percent
1	United States	226	33%
2	China	151	22%
3	Germany	69	10.1%
4	India	41	6%
5	Kazakhstan	26	3.8%
6	Italy	18	2.6%
7	Japan	17	2.5%
8	Netherlands	17	2.5%
9	Korea, Republic of	11	1.6%
10	Hong Kong	11	1.6%
11	Spain	10	1.5%
12	Singapore	9	1.3%
13	Ireland	7	1%
14	Czech Republic	7	1%
15	United Kingdom	5	0.7%
16	Turkey	4	0.6%
17	Brazil	4	0.6%
18	France	4	0.6%
19	Mongolia	4	0.6%
20	Romania	4	0.6%
21	Russia	4	0.6%
22	Portugal	3	0.4%
23	Cyprus	3	0.4%
24	Iran, Islamic Republic of	3	0.4%
25	Hungary	2	0.3%
26	Greece	2	0.3%
27	Canada	2	0.3%
28	Australia	2	0.3%
29	Egypt	2	0.3%
30	Ethiopia	2	0.3%
31	South Africa	2	0.3%
32	Malaysia	2	0.3%
33	Uzbekistan	2	0.3%
34	Philippines	1	0.1%
35	Poland	1	0.1%
36	Lithuania	1	0.1%
37	Switzerland	1	0.1%
38	Taiwan	1	0.1%
39	Senegal	1	0.1%
40	Costa Rica	1	0.1%
41	Austria	1	0.1%
42	Bhutan	1	0.1%