Rank	Countries/Territories	Count	Percent
1	United States	644	35.2%
2	China	473	25.9%
3	Germany	152	8.3%
4	Japan	134	7.3%
5	France	63	3.4%
6	Korea, Republic of	42	2.3%
7	Canada	25	1.4%
8	Brazil	23	1.3%
9	India	22	1.2%
10	Australia	21	1.1%
11	Portugal	20	1.1%
12	Czech Republic	15	0.8%
13	Netherlands	15	0.8%
14	Hong Kong	14	0.8%
15	Peru	13	0.7%
16	Cyprus	13	0.7%
17	Norway	12	0.7%
18	Switzerland	12	0.7%
19	Turkey	12	0.7%
20	Singapore	11	0.6%
21	Argentina	11	0.6%
22	Taiwan	9	0.5%
23	United Kingdom	9	0.5%
24	Egypt	7	0.4%
25	Iran, Islamic Republic of	6	0.3%
26	Hungary	5	0.3%
27	Morocco	4	0.2%
28	Israel	4	0.2%
29	Finland	4	0.2%
30	Belgium	3	0.2%
31	Italy	3	0.2%
32	Spain	3	0.2%
33	Slovenia	2	0.1%
34	South Africa	2	0.1%
35	Russia	2	0.1%
36	Mauritius	2	0.1%
37	Mexico	2	0.1%
38	Ethiopia	2	0.1%
39	Greece	2	0.1%
40	Georgia	1	0.1%
41	Austria	1	0.1%
42	Colombia	1	0.1%
43	Ireland	1	0.1%
44	Luxembourg	1	0.1%
45	Macao	1	0.1%
46	Serbia	1	0.1%
47	Sweden	1	0.1%
48	Tanzania, United Republic of	1	0.1%
49	Ukraine	1	0.1%