Rank	Countries/Territories	Count	Percent
1	United States	419	34.1%
2	China	330	26.9%
3	Germany	87	7.1%
4	India	47	3.8%
5	Japan	36	2.9%
6	Portugal	31	2.5%
7	United Kingdom	29	2.4%
8	Korea, Republic of	28	2.3%
9	Canada	28	2.3%
10	Bulgaria	24	2%
11	Pakistan	16	1.3%
12	Argentina	15	1.2%
13	Singapore	14	1.1%
14	France	13	1.1%
15	Netherlands	13	1.1%
16	Iran, Islamic Republic of	10	0.8%
17	Turkey	8	0.7%
18	Taiwan	7	0.6%
19	Ireland	7	0.6%
20	Poland	7	0.6%
21	Hong Kong	7	0.6%
22	Mexico	6	0.5%
23	Sweden	6	0.5%
24	Greece	5	0.4%
25	Australia	4	0.3%
26	Colombia	3	0.2%
27	Cyprus	3	0.2%
28	Indonesia	3	0.2%
29	Spain	3	0.2%
30	Saudi Arabia	2	0.2%
31	Ukraine	2	0.2%
32	Peru	2	0.2%
33	Czech Republic	2	0.2%
34	Belgium	2	0.2%
35	Georgia	2	0.2%
36	Chile	1	0.1%
37	Hungary	1	0.1%
38	Brazil	1	0.1%
39	Nigeria	1	0.1%
40	Russia	1	0.1%
41	Monaco	1	0.1%
42	Mongolia	1	0.1%