Rank	Countries/Territories	Count	Percent
1	United States	614	33.2%
2	China	429	23.2%
3	Japan	334	18.1%
4	Germany	177	9.6%
5	Singapore	75	4.1%
6	Australia	25	1.4%
7	Canada	20	1.1%
8	France	20	1.1%
9	Saudi Arabia	17	0.9%
10	Netherlands	15	0.8%
11	Korea, Republic of	12	0.6%
12	Ukraine	10	0.5%
13	Taiwan	8	0.4%
14	Cyprus	8	0.4%
15	Ireland	7	0.4%
16	Russia	7	0.4%
17	India	6	0.3%
18	Indonesia	6	0.3%
19	United Kingdom	6	0.3%
20	Argentina	5	0.3%
21	Brazil	4	0.2%
22	Hong Kong	4	0.2%
23	Spain	4	0.2%
24	Switzerland	4	0.2%
25	Philippines	3	0.2%
26	Cuba	3	0.2%
27	Tunisia	3	0.2%
28	Turkey	2	0.1%
29	Egypt	2	0.1%
30	Iran, Islamic Republic of	2	0.1%
31	Italy	2	0.1%
32	Greece	2	0.1%
33	Luxembourg	2	0.1%
34	Malaysia	2	0.1%
35	Mauritius	2	0.1%
36	Mongolia	2	0.1%
37	South Africa	2	0.1%
38	Thailand	1	0.1%
39	Puerto Rico	1	0.1%
40	Norway	1	0.1%
41	Belgium	1	0.1%