Rank	Countries/Territories	Count	Percent
1	United States	438	33.6%
2	China	318	24.4%
3	Germany	79	6.1%
4	Japan	77	5.9%
5	France	67	5.1%
6	India	45	3.5%
7	Australia	40	3.1%
8	Greece	31	2.4%
9	Singapore	27	2.1%
10	Korea, Republic of	24	1.8%
11	Netherlands	14	1.1%
12	Mexico	13	1%
13	Sweden	12	0.9%
14	Pakistan	10	0.8%
15	Russia	10	0.8%
16	Taiwan	8	0.6%
17	Iran, Islamic Republic of	8	0.6%
18	Egypt	8	0.6%
19	Cyprus	7	0.5%
20	United Kingdom	7	0.5%
21	Canada	6	0.5%
22	Saint Lucia	5	0.4%
23	Portugal	5	0.4%
24	Romania	4	0.3%
25	Italy	4	0.3%
26	Spain	4	0.3%
27	Ecuador	4	0.3%
28	Mongolia	3	0.2%
29	Ukraine	3	0.2%
30	Saudi Arabia	3	0.2%
31	Norway	2	0.2%
32	Thailand	2	0.2%
33	Sri Lanka	2	0.2%
34	Malaysia	2	0.2%
35	Ireland	2	0.2%
36	Argentina	2	0.2%
37	Denmark	2	0.2%
38	Viet Nam	2	0.2%
39	Switzerland	1	0.1%
40	Syrian Arab Republic	1	0.1%
41	Turkey	1	0.1%
42	Poland	1	0.1%