Rank	Countries/Territories	Count	Percent
1	United States	424	43.6%
2	China	172	17.7%
3	Germany	69	7.1%
4	Singapore	45	4.6%
5	Netherlands	30	3.1%
6	Canada	26	2.7%
7	United Kingdom	18	1.9%
8	Russia	18	1.9%
9	Australia	17	1.7%
10	India	16	1.6%
11	Korea, Republic of	16	1.6%
12	Japan	12	1.2%
13	Turkey	12	1.2%
14	France	11	1.1%
15	Ireland	10	1%
16	South Africa	10	1%
17	Hong Kong	7	0.7%
18	Sweden	5	0.5%
19	Romania	4	0.4%
20	Norway	4	0.4%
21	Kenya	3	0.3%
22	Slovakia	3	0.3%
23	Italy	3	0.3%
24	Argentina	3	0.3%
25	Uganda	3	0.3%
26	Thailand	3	0.3%
27	Bulgaria	2	0.2%
28	Cyprus	2	0.2%
29	Czech Republic	2	0.2%
30	Jordan	2	0.2%
31	Switzerland	2	0.2%
32	Taiwan	2	0.2%
33	Spain	2	0.2%
34	Pakistan	2	0.2%
35	Philippines	2	0.2%
36	Nigeria	2	0.2%
37	Lithuania	2	0.2%
38	Malaysia	1	0.1%
39	Moldova, Republic of	1	0.1%
40	Iceland	1	0.1%
41	Iran, Islamic Republic of	1	0.1%
42	Austria	1	0.1%
43	Belgium	1	0.1%