Rank	Countries/Territories	Count	Percent
1	United States	497	40.5%
2	China	223	18.2%
3	Germany	103	8.4%
4	India	65	5.3%
5	Kazakhstan	26	2.1%
6	Italy	25	2%
7	Netherlands	24	2%
8	Japan	23	1.9%
9	Korea, Republic of	16	1.3%
10	Singapore	14	1.1%
11	Spain	13	1.1%
12	United Kingdom	12	1%
13	Hong Kong	12	1%
14	France	11	0.9%
15	Australia	11	0.9%
16	Canada	10	0.8%
17	Czech Republic	10	0.8%
18	Mongolia	10	0.8%
19	Romania	9	0.7%
20	Ireland	8	0.7%
21	Pakistan	8	0.7%
22	Egypt	7	0.6%
23	Brazil	6	0.5%
24	Slovakia	6	0.5%
25	Turkey	6	0.5%
26	South Africa	4	0.3%
27	Russia	4	0.3%
28	Taiwan	4	0.3%
29	Moldova, Republic of	4	0.3%
30	Argentina	4	0.3%
31	Cyprus	4	0.3%
32	Greece	4	0.3%
33	Iran, Islamic Republic of	4	0.3%
34	Indonesia	3	0.2%
35	Portugal	3	0.2%
36	Switzerland	2	0.2%
37	Uzbekistan	2	0.2%
38	Hungary	2	0.2%
39	Iraq	2	0.2%
40	Jamaica	2	0.2%
41	Lithuania	2	0.2%
42	Malaysia	2	0.2%
43	Croatia	2	0.2%
44	Ethiopia	2	0.2%
45	Azerbaijan	2	0.2%
46	Belgium	2	0.2%
47	Bhutan	1	0.1%
48	Austria	1	0.1%
49	Bulgaria	1	0.1%
50	Chile	1	0.1%
51	Denmark	1	0.1%
52	Costa Rica	1	0.1%
53	Mexico	1	0.1%
54	Ukraine	1	0.1%
55	Syrian Arab Republic	1	0.1%
56	Senegal	1	0.1%
57	Philippines	1	0.1%
58	Poland	1	0.1%