Rank	Countries/Territories	Count	Percent
1	United States	487	36.6%
2	China	245	18.4%
3	Germany	149	11.2%
4	India	56	4.2%
5	Japan	48	3.6%
6	United Kingdom	38	2.9%
7	Ireland	36	2.7%
8	Netherlands	35	2.6%
9	Canada	24	1.8%
10	France	23	1.7%
11	Israel	19	1.4%
12	Spain	17	1.3%
13	Australia	14	1.1%
14	Singapore	13	1%
15	Hong Kong	12	0.9%
16	Taiwan	11	0.8%
17	Italy	9	0.7%
18	Iran, Islamic Republic of	6	0.5%
19	Korea, Republic of	6	0.5%
20	Portugal	6	0.5%
21	Cyprus	6	0.5%
22	Slovakia	6	0.5%
23	Romania	5	0.4%
24	Turkey	5	0.4%
25	Saudi Arabia	4	0.3%
26	Algeria	4	0.3%
27	Iraq	4	0.3%
28	Brazil	3	0.2%
29	Egypt	3	0.2%
30	Russia	3	0.2%
31	Viet Nam	3	0.2%
32	Nepal	2	0.2%
33	Sweden	2	0.2%
34	Colombia	2	0.2%
35	Greece	2	0.2%
36	Aruba	2	0.2%
37	Austria	2	0.2%
38	Indonesia	2	0.2%
39	Pakistan	2	0.2%
40	New Zealand	2	0.2%
41	Norway	1	0.1%
42	Lebanon	1	0.1%
43	Malta	1	0.1%
44	Philippines	1	0.1%
45	Qatar	1	0.1%
46	Kazakhstan	1	0.1%
47	Belgium	1	0.1%
48	Armenia	1	0.1%
49	Chile	1	0.1%
50	Ethiopia	1	0.1%
51	South Africa	1	0.1%
52	Ukraine	1	0.1%
53	Thailand	1	0.1%