Rank	Countries/Territories	Count	Percent
1	United States	407	38.1%
2	China	213	19.9%
3	Germany	203	19%
4	France	35	3.3%
5	United Kingdom	35	3.3%
6	Russia	34	3.2%
7	Japan	20	1.9%
8	Canada	13	1.2%
9	Ireland	12	1.1%
10	Singapore	10	0.9%
11	Cyprus	9	0.8%
12	Australia	8	0.7%
13	Korea, Republic of	8	0.7%
14	Netherlands	7	0.7%
15	South Africa	7	0.7%
16	Thailand	5	0.5%
17	Norway	5	0.5%
18	Belgium	5	0.5%
19	Indonesia	5	0.5%
20	India	3	0.3%
21	Argentina	3	0.3%
22	Oman	3	0.3%
23	Romania	3	0.3%
24	Spain	2	0.2%
25	Portugal	2	0.2%
26	Mongolia	2	0.2%
27	Jordan	2	0.2%
28	Chile	2	0.2%
29	Hong Kong	2	0.2%
30	Iceland	1	0.1%
31	Ghana	1	0.1%
32	Greece	1	0.1%
33	Iran, Islamic Republic of	1	0.1%