Rank	Countries/Territories	Count	Percent
1	United States	431	27.8%
2	China	335	21.6%
3	Japan	219	14.1%
4	Germany	100	6.4%
5	Spain	85	5.5%
6	Canada	51	3.3%
7	Singapore	34	2.2%
8	Netherlands	31	2%
9	Italy	27	1.7%
10	Romania	22	1.4%
11	United Kingdom	20	1.3%
12	Australia	18	1.2%
13	Russia	15	1%
14	France	13	0.8%
15	Brazil	12	0.8%
16	India	12	0.8%
17	Belgium	11	0.7%
18	Taiwan	11	0.7%
19	Portugal	9	0.6%
20	Bulgaria	9	0.6%
21	Colombia	8	0.5%
22	Cyprus	8	0.5%
23	Iran, Islamic Republic of	7	0.5%
24	Ireland	6	0.4%
25	Morocco	5	0.3%
26	Korea, Republic of	5	0.3%
27	Sweden	5	0.3%
28	Turkey	4	0.3%
29	Lebanon	4	0.3%
30	Egypt	4	0.3%
31	Argentina	3	0.2%
32	Philippines	3	0.2%
33	Saudi Arabia	3	0.2%
34	Pakistan	2	0.1%
35	Slovenia	2	0.1%
36	New Zealand	2	0.1%
37	Lithuania	2	0.1%
38	Hong Kong	2	0.1%
39	Estonia	1	0.1%
40	Bangladesh	1	0.1%
41	Czech Republic	1	0.1%
42	Denmark	1	0.1%
43	Malta	1	0.1%
44	Mexico	1	0.1%
45	Israel	1	0.1%
46	Indonesia	1	0.1%
47	Nigeria	1	0.1%
48	Poland	1	0.1%
49	Latvia	1	0.1%
50	Thailand	1	0.1%