Rank	Countries/Territories	Count	Percent
1	United States	379	34.1%
2	China	299	26.9%
3	Germany	199	17.9%
4	Argentina	33	3%
5	India	23	2.1%
6		22	2%
7	Singapore	22	2%
8	Canada	20	1.8%
9	Russia	19	1.7%
10	Japan	18	1.6%
11	Cyprus	12	1.1%
12	Netherlands	12	1.1%
13	Iran, Islamic Republic of	9	0.8%
14	Australia	8	0.7%
15	Morocco	4	0.4%
16	Mongolia	3	0.3%
17	Philippines	3	0.3%
18	Portugal	3	0.3%
19	Ireland	3	0.3%
20	Hong Kong	3	0.3%
21	Italy	2	0.2%
22	Austria	2	0.2%
23	Egypt	2	0.2%
24	France	2	0.2%
25	Thailand	2	0.2%
26	Ukraine	2	0.2%
27	United Kingdom	1	0.1%
28	Tunisia	1	0.1%
29	Switzerland	1	0.1%
30	Taiwan	1	0.1%
31	Serbia	1	0.1%
32	Oman	1	0.1%
33	Mauritius	1	0.1%