Rank	Countries/Territories	Count	Percent
1	United States	506	39.9%
2	China	316	24.9%
3	Germany	122	9.6%
4	Egypt	26	2%
5	Japan	23	1.8%
6	United Kingdom	22	1.7%
7	India	21	1.7%
8	Korea, Republic of	20	1.6%
9	Netherlands	18	1.4%
10	Ireland	17	1.3%
11	Turkey	14	1.1%
12	Russia	14	1.1%
13	Australia	13	1%
14	Canada	13	1%
15	Spain	9	0.7%
16	Italy	8	0.6%
17	Viet Nam	8	0.6%
18	Singapore	7	0.6%
19	Brazil	7	0.6%
20	France	7	0.6%
21	Hong Kong	7	0.6%
22	Jordan	6	0.5%
23	Iran, Islamic Republic of	6	0.5%
24	Sweden	6	0.5%
25	Cyprus	5	0.4%
26	Switzerland	4	0.3%
27	Poland	4	0.3%
28	United Arab Emirates	3	0.2%
29	Croatia	3	0.2%
30	Denmark	3	0.2%
31	Greece	3	0.2%
32	Norway	3	0.2%
33	Lithuania	2	0.2%
34	Hungary	2	0.2%
35	Ghana	2	0.2%
36	Colombia	2	0.2%
37	Qatar	2	0.2%
38	Taiwan	2	0.2%
39	Thailand	1	0.1%
40	Saudi Arabia	1	0.1%
41	Czech Republic	1	0.1%
42	Belgium	1	0.1%
43	Malaysia	1	0.1%
44	Mexico	1	0.1%
45	Nepal	1	0.1%
46	Oman	1	0.1%
47	Panama	1	0.1%
48	Nigeria	1	0.1%
49	Indonesia	1	0.1%
50	Kenya	1	0.1%
51	Israel	1	0.1%