Rank	Countries/Territories	Count	Percent
1	United States	420	35.5%
2	China	401	33.9%
3	Germany	144	12.2%
4	France	38	3.2%
5	Japan	20	1.7%
6	Canada	16	1.4%
7		12	1%
8	Korea, Republic of	12	1%
9	Netherlands	11	0.9%
10	Norway	11	0.9%
11	Singapore	10	0.8%
12	Cyprus	10	0.8%
13	Saudi Arabia	9	0.8%
14	United Kingdom	7	0.6%
15	Ireland	7	0.6%
16	Israel	7	0.6%
17	Australia	6	0.5%
18	Hong Kong	6	0.5%
19	India	5	0.4%
20	Ukraine	5	0.4%
21	Philippines	5	0.4%
22	Portugal	4	0.3%
23	Turkey	3	0.3%
24	Malaysia	3	0.3%
25	Mexico	2	0.2%
26	Mongolia	2	0.2%
27	Indonesia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Russia	2	0.2%
30	Argentina	1	0.1%
31	Egypt	1	0.1%