Rank	Countries/Territories	Count	Percent
1	United States	468	42.6%
2	China	273	24.8%
3	Germany	109	9.9%
4	Korea, Republic of	36	3.3%
5	France	30	2.7%
6	Japan	17	1.5%
7	Singapore	15	1.4%
8	Canada	15	1.4%
9	Russia	13	1.2%
10	Croatia	11	1%
11	Australia	10	0.9%
12	Malaysia	9	0.8%
13	United Kingdom	9	0.8%
14	Sweden	8	0.7%
15	Netherlands	8	0.7%
16	Cyprus	7	0.6%
17	Greece	7	0.6%
18	Iran, Islamic Republic of	6	0.5%
19	Taiwan	5	0.5%
20	Costa Rica	4	0.4%
21	Denmark	3	0.3%
22	Ireland	3	0.3%
23	Indonesia	3	0.3%
24	New Zealand	3	0.3%
25	Norway	3	0.3%
26	Portugal	2	0.2%
27	Mauritius	2	0.2%
28	South Africa	2	0.2%
29	Israel	2	0.2%
30	Hong Kong	2	0.2%
31	India	2	0.2%
32	Ukraine	2	0.2%
33	Viet Nam	2	0.2%
34	Zimbabwe	1	0.1%
35	Ecuador	1	0.1%
36	Thailand	1	0.1%
37	Turkey	1	0.1%
38	Switzerland	1	0.1%
39	Romania	1	0.1%
40	Kazakhstan	1	0.1%
41	Lithuania	1	0.1%