Rank	Countries/Territories	Count	Percent
1	United States	264	35.4%
2	China	235	31.5%
3	Germany	60	8.1%
4	France	22	3%
5	Japan	17	2.3%
6	Canada	16	2.1%
7	Sweden	15	2%
8	Denmark	14	1.9%
9	Switzerland	12	1.6%
10	Netherlands	12	1.6%
11	Jordan	8	1.1%
12	India	7	0.9%
13	Singapore	7	0.9%
14	Saudi Arabia	6	0.8%
15	Cyprus	5	0.7%
16	Iraq	4	0.5%
17	Ireland	4	0.5%
18	United Kingdom	4	0.5%
19	Thailand	4	0.5%
20	Korea, Republic of	3	0.4%
21	Australia	3	0.4%
22	Chile	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	South Africa	2	0.3%
25	Russia	2	0.3%
26	Mongolia	2	0.3%
27	Oman	2	0.3%
28	Pakistan	2	0.3%
29	Romania	1	0.1%
30	Spain	1	0.1%
31	Taiwan	1	0.1%
32	Ukraine	1	0.1%
33	Latvia	1	0.1%
34	Mexico	1	0.1%
35	Bangladesh	1	0.1%
36	Belgium	1	0.1%
37	Argentina	1	0.1%