Rank	Countries/Territories	Count	Percent
1	United States	789	43.5%
2	China	512	28.2%
3	Germany	205	11.3%
4	France	83	4.6%
5	Canada	38	2.1%
6	Korea, Republic of	33	1.8%
7	Japan	28	1.5%
8	Switzerland	16	0.9%
9	India	15	0.8%
10	United Kingdom	12	0.7%
11	Netherlands	11	0.6%
12	Cyprus	11	0.6%
13	Russia	10	0.6%
14	Australia	7	0.4%
15	Hong Kong	6	0.3%
16	Argentina	4	0.2%
17	Mongolia	4	0.2%
18	Taiwan	4	0.2%
19	Singapore	3	0.2%
20	Bulgaria	3	0.2%
21	Iran, Islamic Republic of	2	0.1%
22	Ireland	2	0.1%
23	Italy	2	0.1%
24	Poland	2	0.1%
25	Portugal	2	0.1%
26	Luxembourg	2	0.1%
27	Malaysia	2	0.1%
28	Ukraine	2	0.1%
29	New Zealand	1	0.1%
30	Peru	1	0.1%
31	Georgia	1	0.1%
32	Colombia	1	0.1%