Rank	Countries/Territories	Count	Percent
1	China	293	33.8%
2	United States	287	33.1%
3	Germany	76	8.8%
4	Japan	41	4.7%
5	France	28	3.2%
6	Iran, Islamic Republic of	15	1.7%
7	Sweden	13	1.5%
8	Korea, Republic of	12	1.4%
9	India	12	1.4%
10	United Kingdom	10	1.2%
11	Spain	8	0.9%
12	Italy	7	0.8%
13	Hungary	6	0.7%
14	Netherlands	5	0.6%
15	Taiwan	5	0.6%
16	Singapore	5	0.6%
17	Cyprus	5	0.6%
18	Canada	4	0.5%
19	Ireland	4	0.5%
20	Russia	4	0.5%
21	South Africa	3	0.3%
22	Hong Kong	3	0.3%
23	Armenia	3	0.3%
24	Australia	3	0.3%
25	Colombia	2	0.2%
26	Malaysia	2	0.2%
27	Mexico	1	0.1%
28	Pakistan	1	0.1%
29	Poland	1	0.1%
30	Serbia	1	0.1%
31	Turkey	1	0.1%
32	Switzerland	1	0.1%
33	Egypt	1	0.1%
34	Argentina	1	0.1%
35	Ghana	1	0.1%
36	Indonesia	1	0.1%