Rank	Countries/Territories	Count	Percent
1	China	407	39.9%
2	United States	319	31.3%
3	Germany	88	8.6%
4	Canada	36	3.5%
5	India	17	1.7%
6	Japan	15	1.5%
7	Netherlands	13	1.3%
8	France	13	1.3%
9	Russia	8	0.8%
10	Taiwan	8	0.8%
11	Singapore	7	0.7%
12	Australia	7	0.7%
13	Switzerland	6	0.6%
14	Turkey	6	0.6%
15	Hong Kong	5	0.5%
16	Spain	4	0.4%
17	Philippines	4	0.4%
18	Portugal	4	0.4%
19	United Kingdom	4	0.4%
20	Romania	4	0.4%
21	Nigeria	3	0.3%
22	Ireland	3	0.3%
23	Iran, Islamic Republic of	2	0.2%
24	Hungary	2	0.2%
25	Argentina	2	0.2%
26	Austria	2	0.2%
27	Bangladesh	2	0.2%
28	Bulgaria	2	0.2%
29	Colombia	2	0.2%
30	Cyprus	2	0.2%
31	Mexico	2	0.2%
32	Mongolia	2	0.2%
33	Morocco	2	0.2%
34	Qatar	2	0.2%
35	Nicaragua	2	0.2%
36	Sweden	2	0.2%
37	Thailand	2	0.2%
38	Ukraine	2	0.2%
39	Korea, Republic of	1	0.1%
40	Lithuania	1	0.1%
41	Norway	1	0.1%
42	Pakistan	1	0.1%
43	Peru	1	0.1%
44	Egypt	1	0.1%