Rank	Countries/Territories	Count	Percent
1	United States	974	43.5%
2	China	504	22.5%
3	Germany	110	4.9%
4	India	57	2.5%
5	Japan	49	2.2%
6	Canada	31	1.4%
7	Korea, Republic of	29	1.3%
8	Iran, Islamic Republic of	28	1.2%
9	Taiwan	27	1.2%
10	United Kingdom	26	1.2%
11	Spain	24	1.1%
12	Brazil	24	1.1%
13	France	23	1%
14	Singapore	23	1%
15	Hong Kong	21	0.9%
16	Netherlands	20	0.9%
17	Italy	20	0.9%
18	Ireland	19	0.8%
19	Russia	19	0.8%
20	Portugal	18	0.8%
21	Latvia	18	0.8%
22	Egypt	18	0.8%
23	Australia	15	0.7%
24	Mexico	14	0.6%
25	Thailand	13	0.6%
26	Sweden	12	0.5%
27	Turkey	10	0.4%
28	Israel	10	0.4%
29	Czech Republic	10	0.4%
30	Belgium	8	0.4%
31	Ukraine	6	0.3%
32	Uzbekistan	5	0.2%
33	Qatar	4	0.2%
34	Romania	4	0.2%
35	Denmark	4	0.2%
36	Cyprus	4	0.2%
37	Greece	4	0.2%
38	Poland	4	0.2%
39	Norway	4	0.2%
40	Kuwait	3	0.1%
41	Argentina	3	0.1%
42	Indonesia	2	0.1%
43	Nepal	2	0.1%
44	Serbia	2	0.1%
45	Switzerland	2	0.1%
46	Trinidad and Tobago	2	0.1%
47	Slovakia	2	0.1%
48	South Africa	1	0%
49	Turkmenistan	1	0%
50	Syrian Arab Republic	1	0%
51	Viet Nam	1	0%
52	Pakistan	1	0%
53	Philippines	1	0%
54	Mauritius	1	0%
55	Bahrain	1	0%
56	Bangladesh	1	0%
57	Colombia	1	0%