Rank	Countries/Territories	Count	Percent
1	United States	493	47.8%
2	China	121	11.7%
3	Germany	79	7.7%
4	Canada	34	3.3%
5	India	27	2.6%
6	Netherlands	26	2.5%
7	United Kingdom	25	2.4%
8	Australia	15	1.5%
9	Austria	14	1.4%
10	Greece	14	1.4%
11	Turkey	14	1.4%
12	Japan	12	1.2%
13	Ireland	11	1.1%
14	Russia	10	1%
15	France	9	0.9%
16	Saudi Arabia	8	0.8%
17	United Arab Emirates	8	0.8%
18	Thailand	7	0.7%
19	Cyprus	7	0.7%
20	Indonesia	7	0.7%
21	Singapore	6	0.6%
22	Syrian Arab Republic	6	0.6%
23	Sweden	5	0.5%
24	Switzerland	5	0.5%
25	Jamaica	5	0.5%
26	Romania	5	0.5%
27	Iran, Islamic Republic of	5	0.5%
28	Israel	5	0.5%
29	Hong Kong	4	0.4%
30	Philippines	4	0.4%
31	Taiwan	4	0.4%
32	Spain	3	0.3%
33	Slovenia	3	0.3%
34	Jordan	3	0.3%
35	Egypt	3	0.3%
36	Czech Republic	2	0.2%
37	Hungary	2	0.2%
38	Korea, Republic of	2	0.2%
39	New Zealand	2	0.2%
40	Mexico	2	0.2%
41	Mongolia	1	0.1%
42	Poland	1	0.1%
43	Qatar	1	0.1%
44	South Africa	1	0.1%
45	Nigeria	1	0.1%
46	Norway	1	0.1%
47	Pakistan	1	0.1%
48	Latvia	1	0.1%
49	Malaysia	1	0.1%
50	Italy	1	0.1%
51	Brazil	1	0.1%
52	Argentina	1	0.1%
53	Sri Lanka	1	0.1%
54	Viet Nam	1	0.1%