Rank	Countries/Territories	Count	Percent
1	United States	460	41.5%
2	China	289	26.1%
3	Germany	191	17.2%
4	Canada	31	2.8%
5	Japan	15	1.4%
6	Singapore	13	1.2%
7	India	12	1.1%
8	France	11	1%
9	Pakistan	11	1%
10	Australia	9	0.8%
11	Netherlands	8	0.7%
12	Cyprus	7	0.6%
13	Malaysia	6	0.5%
14	United Kingdom	6	0.5%
15	Iran, Islamic Republic of	4	0.4%
16	Brazil	3	0.3%
17	Moldova, Republic of	3	0.3%
18	Norway	3	0.3%
19	Poland	3	0.3%
20	Saudi Arabia	2	0.2%
21	Peru	2	0.2%
22	Spain	2	0.2%
23	Sweden	2	0.2%
24	Belgium	2	0.2%
25	Ireland	2	0.2%
26	Korea, Republic of	2	0.2%
27	Hong Kong	2	0.2%
28	Indonesia	1	0.1%
29	Denmark	1	0.1%
30	Gabon	1	0.1%
31	Switzerland	1	0.1%
32	Ukraine	1	0.1%
33	Philippines	1	0.1%
34	Mexico	1	0.1%