Rank	Countries/Territories	Count	Percent
1	China	419	33.4%
2	United States	371	29.6%
3	Japan	107	8.5%
4	Germany	78	6.2%
5	Taiwan	33	2.6%
6	India	31	2.5%
7	Iran, Islamic Republic of	31	2.5%
8	Pakistan	20	1.6%
9	Korea, Republic of	19	1.5%
10	Singapore	17	1.4%
11	Netherlands	16	1.3%
12	Spain	13	1%
13	Turkey	11	0.9%
14	Ireland	10	0.8%
15	Egypt	8	0.6%
16	Canada	7	0.6%
17	Malaysia	7	0.6%
18	Russia	6	0.5%
19	United Kingdom	6	0.5%
20	France	5	0.4%
21	Norway	4	0.3%
22	Qatar	3	0.2%
23	New Zealand	3	0.2%
24	Australia	3	0.2%
25	Cyprus	3	0.2%
26	Ecuador	2	0.2%
27	Chile	2	0.2%
28	Hong Kong	2	0.2%
29	Philippines	2	0.2%
30	Serbia	2	0.2%
31	United Arab Emirates	2	0.2%
32	Viet Nam	2	0.2%
33	Switzerland	1	0.1%
34	Slovenia	1	0.1%
35	Portugal	1	0.1%
36	Argentina	1	0.1%
37	Italy	1	0.1%
38	Bangladesh	1	0.1%
39	Belgium	1	0.1%
40	Estonia	1	0.1%