Rank	Countries/Territories	Count	Percent
1	United States	421	40.8%
2	China	216	21%
3	Australia	70	6.8%
4	India	35	3.4%
5	Germany	26	2.5%
6	Saudi Arabia	23	2.2%
7	United Kingdom	16	1.6%
8	Ireland	15	1.5%
9	Japan	15	1.5%
10	Italy	13	1.3%
11	Hong Kong	13	1.3%
12	Korea, Republic of	11	1.1%
13	Singapore	11	1.1%
14	Russia	11	1.1%
15	Spain	10	1%
16	Brazil	9	0.9%
17	Canada	8	0.8%
18		8	0.8%
19	France	8	0.8%
20	Portugal	7	0.7%
21	Netherlands	7	0.7%
22	Norway	7	0.7%
23	Taiwan	7	0.7%
24	Sweden	6	0.6%
25	Poland	6	0.6%
26	Mexico	6	0.6%
27	Israel	6	0.6%
28	Greece	4	0.4%
29	Turkey	4	0.4%
30	Belgium	3	0.3%
31	Iraq	3	0.3%
32	Austria	2	0.2%
33	Denmark	2	0.2%
34	Lebanon	2	0.2%
35	Malaysia	2	0.2%
36	Viet Nam	2	0.2%
37	Switzerland	2	0.2%
38	Rwanda	2	0.2%
39	South Africa	1	0.1%
40	Thailand	1	0.1%
41	Tunisia	1	0.1%
42	Ukraine	1	0.1%
43	Latvia	1	0.1%
44	Jordan	1	0.1%
45	Romania	1	0.1%
46	Pakistan	1	0.1%
47	Palestine, State of	1	0.1%
48	Peru	1	0.1%
49	Argentina	1	0.1%
50	Iceland	1	0.1%