Rank	Countries/Territories	Count	Percent
1	United States	644	53.8%
2	China	254	21.2%
3	Germany	84	7%
4	Korea, Republic of	48	4%
5	France	22	1.8%
6	Japan	18	1.5%
7	Netherlands	14	1.2%
8	Singapore	14	1.2%
9	Sri Lanka	9	0.8%
10	India	9	0.8%
11	Pakistan	8	0.7%
12	Canada	6	0.5%
13	Australia	6	0.5%
14	Denmark	5	0.4%
15	South Africa	5	0.4%
16	New Zealand	5	0.4%
17	Switzerland	5	0.4%
18	United Kingdom	5	0.4%
19	Bangladesh	4	0.3%
20	Ireland	4	0.3%
21	Mexico	4	0.3%
22	Brazil	3	0.3%
23	Ukraine	3	0.3%
24	Thailand	2	0.2%
25	Viet Nam	2	0.2%
26	Norway	2	0.2%
27	Philippines	2	0.2%
28	Hong Kong	2	0.2%
29	Mongolia	2	0.2%
30	Malaysia	2	0.2%
31	Cyprus	1	0.1%
32	Romania	1	0.1%
33	Russia	1	0.1%