Rank	Countries/Territories	Count	Percent
1	United States	503	31.4%
2	China	219	13.7%
3	United Kingdom	170	10.6%
4	Germany	110	6.9%
5	Canada	52	3.2%
6	Australia	41	2.6%
7	Netherlands	34	2.1%
8	Portugal	34	2.1%
9	Italy	33	2.1%
10	India	32	2%
11	Ireland	32	2%
12	Taiwan	32	2%
13	France	30	1.9%
14	Singapore	27	1.7%
15	Israel	21	1.3%
16	Japan	19	1.2%
17	Belgium	17	1.1%
18	Korea, Republic of	16	1%
19	Spain	16	1%
20	Denmark	15	0.9%
21	Cyprus	11	0.7%
22	Sweden	11	0.7%
23	Indonesia	10	0.6%
24	Turkey	9	0.6%
25	Romania	8	0.5%
26	Brazil	7	0.4%
27	Greece	7	0.4%
28	Switzerland	7	0.4%
29	South Africa	6	0.4%
30	Hong Kong	6	0.4%
31	Poland	6	0.4%
32	Saudi Arabia	6	0.4%
33	Iran, Islamic Republic of	5	0.3%
34	Viet Nam	5	0.3%
35	Thailand	5	0.3%
36	Slovakia	4	0.2%
37	Malaysia	4	0.2%
38	Mexico	4	0.2%
39	Ecuador	4	0.2%
40	Austria	4	0.2%
41	Iceland	3	0.2%
42	New Zealand	3	0.2%
43	Lebanon	2	0.1%
44	Bahrain	2	0.1%
45	Ukraine	2	0.1%
46	Chile	1	0.1%
47	Finland	1	0.1%
48	Argentina	1	0.1%
49	Kenya	1	0.1%
50	Morocco	1	0.1%
51	Russia	1	0.1%