Rank	Countries/Territories	Count	Percent
1	United States	326	30.6%
2	China	222	20.8%
3	Japan	143	13.4%
4	Germany	63	5.9%
5	United Kingdom	40	3.8%
6	Canada	35	3.3%
7	Singapore	31	2.9%
8	India	22	2.1%
9	Ireland	20	1.9%
10	Netherlands	18	1.7%
11	Australia	14	1.3%
12	Korea, Republic of	10	0.9%
13	Iran, Islamic Republic of	9	0.8%
14	Malaysia	9	0.8%
15	Spain	9	0.8%
16	Turkey	7	0.7%
17	Cyprus	6	0.6%
18	Hong Kong	5	0.5%
19	Finland	5	0.5%
20	Iraq	5	0.5%
21	Russia	5	0.5%
22	Romania	4	0.4%
23	France	4	0.4%
24	Greece	4	0.4%
25	Belgium	4	0.4%
26	Brazil	3	0.3%
27	Norway	3	0.3%
28	Pakistan	3	0.3%
29	Philippines	2	0.2%
30	Slovenia	2	0.2%
31	Ukraine	2	0.2%
32	Taiwan	2	0.2%
33	Thailand	2	0.2%
34	Chile	2	0.2%
35	Czech Republic	2	0.2%
36	Denmark	2	0.2%
37	Indonesia	2	0.2%
38	Lebanon	2	0.2%
39	Mauritius	2	0.2%
40	Mongolia	2	0.2%
41	Nigeria	2	0.2%
42	Argentina	1	0.1%
43	New Zealand	1	0.1%
44	Morocco	1	0.1%
45	Mexico	1	0.1%
46	Italy	1	0.1%
47	Ethiopia	1	0.1%
48	Hungary	1	0.1%
49	Colombia	1	0.1%
50	United Arab Emirates	1	0.1%
51	Viet Nam	1	0.1%
52	Sweden	1	0.1%