Rank	Countries/Territories	Count	Percent
1	United States	163	30.2%
2	China	129	23.9%
3	Germany	44	8.2%
4	India	31	5.8%
5	Canada	25	4.6%
6	France	14	2.6%
7	Japan	9	1.7%
8	Korea, Republic of	9	1.7%
9	Thailand	9	1.7%
10	Netherlands	8	1.5%
11	Singapore	8	1.5%
12		7	1.3%
13	Brazil	7	1.3%
14	Turkey	7	1.3%
15	Sweden	6	1.1%
16	Qatar	6	1.1%
17	Iran, Islamic Republic of	4	0.7%
18	Ireland	4	0.7%
19	United Kingdom	4	0.7%
20	Spain	3	0.6%
21	Viet Nam	3	0.6%
22	Malaysia	3	0.6%
23	Luxembourg	2	0.4%
24	Norway	2	0.4%
25	Pakistan	2	0.4%
26	Hong Kong	2	0.4%
27	Portugal	2	0.4%
28	Italy	2	0.4%
29	Australia	2	0.4%
30	Egypt	2	0.4%
31	Estonia	2	0.4%
32	United Arab Emirates	2	0.4%
33	Saudi Arabia	2	0.4%
34	Taiwan	2	0.4%
35	Cyprus	1	0.2%
36	Denmark	1	0.2%
37	Argentina	1	0.2%
38	Indonesia	1	0.2%
39	Greece	1	0.2%
40	Philippines	1	0.2%
41	Romania	1	0.2%
42	South Africa	1	0.2%
43	Jordan	1	0.2%
44	Malta	1	0.2%
45	Mauritius	1	0.2%
46	New Zealand	1	0.2%