Rank	Countries/Territories	Count	Percent
1	United States	457	33.9%
2	China	370	27.5%
3	Japan	114	8.5%
4	Germany	64	4.8%
5	Netherlands	38	2.8%
6	United Kingdom	37	2.7%
7	Korea, Republic of	31	2.3%
8	France	30	2.2%
9	Canada	28	2.1%
10	Australia	22	1.6%
11	India	20	1.5%
12	Ireland	20	1.5%
13	Poland	14	1%
14	Singapore	10	0.7%
15	Algeria	9	0.7%
16	Spain	8	0.6%
17	Cyprus	7	0.5%
18	Russia	6	0.4%
19	Chile	5	0.4%
20	Indonesia	4	0.3%
21	Iran, Islamic Republic of	4	0.3%
22	Italy	4	0.3%
23	Sweden	4	0.3%
24	Taiwan	3	0.2%
25	Israel	3	0.2%
26	Romania	3	0.2%
27	Malaysia	3	0.2%
28	Mexico	2	0.1%
29	Mongolia	2	0.1%
30	Norway	2	0.1%
31	Kenya	2	0.1%
32	Hong Kong	2	0.1%
33	Bangladesh	2	0.1%
34	Ukraine	2	0.1%
35	Zimbabwe	2	0.1%
36	United Arab Emirates	1	0.1%
37	Turkey	1	0.1%
38	Switzerland	1	0.1%
39	Bulgaria	1	0.1%
40	Argentina	1	0.1%
41	Azerbaijan	1	0.1%
42	Greece	1	0.1%
43	Lebanon	1	0.1%
44	Luxembourg	1	0.1%
45	Jamaica	1	0.1%
46	Philippines	1	0.1%
47	Slovenia	1	0.1%
48	South Africa	1	0.1%